These materials are hard and brittle, insulative to electricity and heat, and very resistant to high tempertaturesand harsh environments ceramics These materials have a large number of non-localized electrons, as an effect are very good conductors of electricity and heat. They are strong yet deformable, and extensively used in structural applications metals What is the most common defects in crystals line defects Among the elements in the periodic table, Which group of elements are the most electronegative halogens In the periodic table, the elements are arranged in vertical columns called groups and numbered in roman numerals. These elements are called congeners Topaz. Quartz. Talc. Corondum. In the Moh's scale, which of the following is the hardest mineral corondum Oldest engineering materials known for its good malleability property copper Materials composed of more than one material type and are designed to display a combination of the best characteristics of each component material composites An elemental solid having a different allotrope crystal structure, usually due to the prevailing temperature and pressure What do you call those forces which hold molecules together in crystals Van der Waal forces This metal is alloyed with steel to give it corrosion resistance properties, resulting in stainless steel chromium In order to prevent corrosion of metals in galvanized iron, what element is added to steel zinc This element is used in modern, super strong permanent magnets because of their high coercivities neodymium A kind of solid which is characterized as consisting of ordered three-dimensional arrays of structure motif is classified as __ solids crystalline The heat treatment done in materials that improve its strength and machinability hardens the material resulting in loss of ductility is known as normalizing It is a form of alpha-beta brass with about 60% copper, 40% zinc and a trace of iron that is altered as an alloy muntz A notation system in crystallography for planes and directions in crystal (Bravais) lattices miller index A crystal imperfection involving a vacancy of pairs of ions of opposite charges schottky imperfections The deterioration of an engineered material due to interaction with diverse environments which lead to the degradation of its material properties corrosion It is the point at which there is an appreciable elongation of the material without any corresponding increases of load yield point This component measures the pulling or pushing action perpendicular to the section axial forces In engineering materials, in order to improve the ductility of nickel, __ is needed manganese The ratio of the elastic modulus of the material to the density of the material is the __ modulus specific The type of bond that occurs as a result of the formation of an electric dipole within certain atoms or molecules is called secondary bond What crystalline structure has a coordination number of 12 face-centered cubic What crystalline structure has a packing factor of 0.52 simple cubic What is the atomic packing factor for FCC closed packed crystal structure 0.74 It is the interchange of an atom from a normal lattice position to an adjacent vacant lattice vacant diffusion What gives the average ratio of stress to strain of the material operating in the non-linear region of the stress-strain diagram secant modulus What is the theoretical maximum value of the Poission's ratio of any given material subjected to a uniform triaxial stress 1/2 Ordinary steel heated at high temperature of 1130 C that has 1.7 carbon as one of its constituent austenite Group of dielectric materials that exhibits spontaneous polarization in the absence of an electric field ferroelectric What is the ferroelectric Curie temperature of Barium Titanate 120 Celsius A type of steel that contains more than 0.83% carbon hypereutectoid steel Stainless steels are iron-based alloys containing at least 12% __ chromium Aluminum is how many percent by 8 8 to 3. or less than a micrometer in length. from 5 to 75% metal matrix The property of materials capable of withstanding cyclic load is normally expressed in fatigue strength . filtering or bypass applications class II A type of matrix composite where the fiber may be continuous throughout the length of the component.1 eV Materials that are utilized in transducer devices that convert electrical energy into mechanical strains or vice versa piezoelectric What do you call a form of stress assisted corrosion.weight of the earth's crust What type of bond exists in diamond covalent A method in determining the hardness of a material that uses very small diamond indented into surface features using microscope on metallographic specimen Vickers Pyramid Scale Which of the following band gap energies will appear colored betqween 1. and present at almost any volume fraction. wherein vapor bubbles form nd then burst on a surface causing damage to the underlying materla Cavitation The class of ceramic capacitors used in couplings. also known as German silver. nickel zinc Which steel possesses the highest stiffness and compressive stress cemented carbide These are materials formed from repeating organic molecules polymer What are the substances having the same chemical formula but different structure isomers These are large molecule substances bonded to each other with weak bonding forces and softens when heated thermoplastics The highest filled energy state at 0 K of an atom fermi energy . ion lattice site or interstitial position is reffered to as __ defect point defect The size of an electron is very small. the diameter is however believed to be about __ anstrom 0.0001 A property of matter that is often used by chemist as an identification tag for a substance density In engineering materials. is an alloy of copper. nickel silver.Which of the following statement about titanium is not correct titanium offers negligible resistance A mistake in engineering materials that involves atom. Molybdenum. Nickel. fluorine. or nitrogen hydrogen bond Ferrite.It occurs when a member carries a load perpendicular to its long axis while being supported in a stable manner bending stress A type of corrosion that occurs when dissimilar metals exist at different electrical potentials in the presence of an electrolyte galvanic corrosion Corrosion that occurs in austinic stainless steels under tensile stress in the presence of oxygen.thus physical properties isotropic . chloride ions. All of the following materials possess high strength and low ductility and are BCC structure except nickel What are stresses included in vessels containing pressurized materials pressure stresses What is the ability of the material to resist deformation toughness A type of line defect consists of an extra row or plane of atomes in the crystal structure edge dislocations These materials have randomly oriented polycrystals . Chromium. and high temperature chloride stress corrosion This bond is similar to the molecular bond and occurs due to the ease with which hydrogen atoms are willing to give up an electron to atoms of oxygen. e. refine grain size. Quenching.. improve machinability) except quenching All of the following are crystalline point defects except screw dislocations The quantity needed to close the circuit around a crystalline dislocation is called Burger's vector All of the following are typical mass defects . and soften material (i.are the same in all directions Which of the following is the smallest representation of an engineering material unit cell The amount of force required to cause a unit deformation (displacement) often called the spring constant is the stiffness The thermal stress in a bar that is allowed to expand freely when heated to higher temperature is zero When applied normal and shear stresses are resolved in such a manner that the shear stresses vanish (go to zero). in the calculation of allowable stress from the formula ultimate strength Full Annealing. In the manufacture of steel. the resulting normal stresses are called the principal stresses What is the material stress for brittle materials. Normalizing. all of the following are processes to relieve internal stresses. Tempering. A metal that exhibits a percent elongation greater than __% is considered to be ductile 5 It refers to the arrangement of the grains in metal. with a grain having a particular structure grain structure Is the property or ability of a metal to exist in two or more crystalline forms depending upon temperature composition polymorphism A solid solution where the atoms of the solute element are small enough to fit into the spaces between the parent material atoms interstitial solid solution A phase of uranium material where it posseses a lattice structure of BCC and expands equally in all directions gamma phase The description or type of lattice structure formed in metals such as Beryllium is the __ structure hexagonal closed pack The weakly repulsive force experienced in most non-metals and organic compounds (e. paraffin. formed.g. bismuth.crystalline defects except A ductile material is one that can be stretched. and silver) when exposed to a magnetic field is diamagnetism . or drawn to a significant degree before fracture. The unit of toughness is Joules/m3 A linear polymer that has all of the side group on the same side of the chain isotactic The property of fluids by virtue of which they offer resistance to flow is known as viscocity What is the chief ore of tin cassiterite What is the chief ore of zinc sphalerite What is the mixture of two or more materials. at least one is a metal with microstructure where secondary atoms are introduced as substitutional or interstitial in a crystal lattice alloy What materials have permeability slightly greater than that of free space paramagnetic What is the process of forming continuous shapes by forcing a molten polymer through a metal die extrusion Three-dimensional macroscopic effects are called bulk defects If the distorion disappears and the material remains distorted then this material undergoes what plastic strain The property of a substance which remains constant if no heat enters or leaves the system. while it does work or entropy . but which increases or diminishes should a small amount of heat enter or leave A homogenous mixture can be separated by all of the following methods except filtration The amount of energy needed to change a given mass of ice to water at constant temperature is called the heat of fusion Chemical action may involve all of the separation of the molecules in a mixture following except The properties of solution include all of the following except that dissolved particles will settle out upon stirring It the delta H of a reaction is a negative quantity. a violet layer is produced. The unknown is Iodide The two main parts of atom are the nucleus and energy levels The lowest principal quantum number . the reaction is definitely exothermic The bromide ion is colorless Which of the following is a compound water The most active non-metallic element is Fluorine When chlorine water and carbon tetrachloride are mixed with an unknown.alters its volume. Citric Acid. Which of the following is a binary compound Hydrochloric Acid An example of a ternary compound is Potassium Chlorate Name the element whose atom shows the greatest affinity for an additional electron F Name the most active non-metal in period 3 Cl Which of the following elements is most likely to form covalent compounds C An atom which has the greatest ability to attract electron is oxygen What is the charge of a hydrogen atom 0 What is the most probably oxidation number for silicon in a compound +4 . Sodium Chlorate. Hydrochloric Acid.that an electron can have is 2 The sublevel that has only one orbital is identified by the letter s An orbital may never be occupied by 3 electrons The number of orbitals in the second principal energy level. of an atom is 4 Oxygen. n=2. Br. which would have a higher energy content in an exothermic reaction the reactants The process of separating components of a mixture by making use of the difference in their boiling points is called fractional distillation According to the activity chart of metals.Where in the periodic series do you find strong base formers Left The most abundant element in the earth's crust is oxygen The order of decreasing activity of halogens F. which metal would react most vigorously in a dilute acid solution Magnesium Graham's Law refers to Gaseous Diffusion When a gas is collected over water. Cl. the Subtracting the vapour pressure of water pressure is corrected by at that temperature . I A light-sensitive substance used on photographic films has the formula AgBr The charring action of sulphuric acid is due to its being a dehydrating agent In a graphic representation of energy contents of reactants and resulting products. Distillation of water cannot remove volatile liquids like alcohol The ratio in water of hydrogen to oxygen by mass is 1:8 Decomposing water by an electric current will give it a ratio of hydrogen to oxygen by volume equal to 2:1 If 10 g of ice melts at 0 deg Celsius. Its particles where exchanging places with others in the solution A 10% solution of NaCl means that in 100g of solution there is 10 g NaCl A synthesis reaction will occur spontaneously if the heat formation of the product is large and negative . the crystal seemed to remain unchanged. the total quantity of heat absorbed is 800 cal The abnormally high boiling point of water in comparison to similar compounds is due primarly to hydrogen bonding A metallic oxide placed in water would most likely yield base A solution can be both saturated and diluted A foam is an example of a gas dispersed in a liquid When another crystal was added to a water solution of the same substance. which of the following states that no device can transfer heat from cooler body to a warmer one without leaving an effect on the surroundings Clausius Statement It is defined as the amount of light . and it involves the combined effect conduction and fluid motion convection In second law of thermodynamics. which of the following states that no heat engine can have a thermal efficiency of 100% on as far as power plant operates. the volume must contain equal number of particles It is the transfer of energy from the more energetic particles of substance to the adjacent less energetic ones as a result of interactions between the particles conduction It indicates that the rate of heat conduction in a direction is proportional to the temperature gradient in that direction Fourier's Law of Heat Conduction Which of the following is the best conductor of heat diamond It is the mode of energy transfer between a solid surface and the adjacent liquid or gas that is in motion. the working fluid must exchange heat with the environment as well as the furnace Kelvin-Plank In second law of thermodynamics.Whenever you have equal volumes of gases at the same temperature and pressure. and that no heat engine is more efficient than a reversible one operating between the same two reservoirs Carnot principle For a metal atom to replace another kind higher on the electromotive chart than of metallic ion in a solution.output in lumens per W of electricity consumed light efficacy Which of the following processes are involved in carnot cycle two adiabatic. two isothermal States that the thermal efficiencies of all reversible heat engines operating between the same two reservoirs are the same. the metal the metal in solution atom must be One reason for a double-displacement reaction go to completion is that a product is soluble A salt derived from a strong base and a weak acid will undergo hydrolysis and give a solution that will be basic The propery of being able to add enthalpies is based on the First law of thermodynamics Which of the following does not affect the rate of reaction speed of the reactants The addition of a catalyst to a reaction changes the activation energy An increase in concentration is related to the number of collisions directly . indicates that The concentration of the un-ionized molecules must be relatively large compared to the ion concentrations In the Haber process for making ammonia. then decreasing The concentrations in an expression of the equilibrium constant are given in mol/L The pH concentration of a solution that has a hydrogen ion concentration of 1 x 10^-4 mol/L is 4 The pH concentration that has a hydroxide ion concentration of 1 x 10^-4 mol L is A small value of Keq + the equilibrium constant. an acid is a proton donor A buffer solution __ resists changes in pH The point at which a titration is complete is called the endpoint .At the beginning of a reaction. an increase in pressure favors the forward reaction A change in which of these conditions will change the K of an equilibrium temperature H2SO4 is a strong acid because it is an organic acid According to the Bronsted Theory. the reaction rate for the reactants is largest. The change in the state function is path independent and defined by the properties in the initial and final state only state function . vibrational. rotational. It contains the translational. Its absolute value is unknown. electronic. and nuclear energies and the energies due to intermolecular interactions. its change is defined by the first law of thermodynamics. It is a state function and an extensive quantity Internal Energy A property that is determined by the state of the system.The first and simplest alkane is Methane Pierre and Marie Curie discovered Radium Which of the following when dissolved in water and placed in the conductivity apparatus will cause the light to glow table salt The lead in a lead pencil is Graphite and clay A decolorizer used in sugar refining is bone black An important ore of iron is Hematite The emission of beta particle results in a new element with the atomic number increased by 1 A process where heat is releaseed to the surroundings exothermic process The total energy of the system. but is converted from one form to another first law of thermodynamics A process in which the system is always infinitesimally close to equilibrium. Such a process can never be observed. and system B is in thermal equilibrium with system C.The law states that the quantity of the substance entering and leaving the system is equal to the substance leaving the system law of conservation of mass States that if system A is in thermal equilibrium with system B.TS. then system C is also in thermal equilibrium with system A Zeroth law of thermodynamics Energy is neither created nor destroyed. where U is . perfect crystalline structure which is 0 at 0 K 3rd law of thermodynamics Defined as A = U . it is only of theoretical interest Reversible process States that the change in entalphy of a reaction is the sum of the enthalpies of reactions from which the reaction can be built Hess' Law States that in isolated systems the entropy increases in spontaneous process 2nd law of thermodynamics It is impossible to convert heat completely into work 2nd law of thermodynamics States that every substance has finit positive entropy except the entropy of pure. internal energy. T is the thermodynamic temperature and S is the entropy Helmholtz Energy In a closed system at constant volume and temperature its energy decreases during a spontaneous process Helmholtz Energy In a closed system at constant pressure and temperature its energy decreases during a spontaneous process Gibbs Energy The number of intensive variables that can be changed independently in the system without disturbing the number of phases in equilibrium degrees of freedom A solution in which both the solvent and the solute obey Raoult's Law for any composition Ideal solution It states that the vapour pressure in a solution is the sum of the vapour pressure of the pure component multiplied by the mole fraction of that component Raoult's law The principle that the amount of gas dissolved under equilibrium in a volume of liquid is in direct proportion to the pressure of the gas that contact the liquid surface Henry's Law Is a compound which in its liquid form behaves as an electrically conduction medium Electrolyte Properties independent of the nature of the compounds and depend on the Colligative properties . the system adjusts in such a way to decrease the effect of the stress Le Chatalier's principle It is a constant of proportionality between the reaction rate and the concentration of reactants rate constant Sum of all powers appearing in the empirical law Reaction order The sequence of elementary steps describing the time evolution of the system reaction mechanism Reactions taking place at the same time parallel reaction Which of the following equation of state has two constants Vander Waals Equation How many constants are there in Benedict Webb Rubin 8 How many constants are there in Strobridge Equation of state 16 .numbers of the solute particles only Movement of the solvent through a semipermeable membrane from a dilute solution to a more concentrated one Osmosis The dissolution of a substance in two immiscible liquids Partition States that if an external stress is applied to a system at equilibrium. 43 Any person who shall violate any provision of RA 9292 or any rules.A reaction step where the first chain carriers are formed initiation step A reaction in which the number of chain carriers increases Branching step A reaction in which the number of chain carriers is constant but the product is consumed Retardation Step A reaction in which the number of chain carriers decreases termination step Date of approval of RA 9292 April 17. the Code of Ethics. regulations. 2004 There are __ Articles and __ sections in the RA 9292 8. the funding of which shall be included in the Annual General Appropriations Act Sec 40 The statement of policy of RA 9292 is __ of its implementing rules and regulations Rule 1 What is otherwise known as the RA 8792 . and the Code of Technical Standards of Practice is stated in section 35 The chairperson of the PRC shall include in the Commission's program the implementation of RA 9292. esteem and self-actualization Maslow's Needs Hierarchy Theory What style of leadership should the engineer manager use when his unit is manned by professionals free rein leadership When is the effectivity date of the implementing rules and regulations of RA 9292 October 2. 2007 When there is an unexplained decline in revenues and profits in the company. social. __ states that employees have five basic needs which are as follows: physiological. Also it provides the essential control and measure feedback loop necessary for quality improvement Benchmarking To aid the engineer manager about the needs of his peers. it is a sign that the engineer manager has __ inadequate control What is the keystone of professional conduct integrity A type of bond where in the security is in sum's form of recognized commercial collateral bond .Electronic Commerce Act of the Philippines It is a method of managing all the activities that affect the quality of goods or services in order to prevent faults Quality Assurance This process can be used to measure achievement in Total Quality Management system. security. papers of a well established subsidiary The ratio of quick assets to current liabilitie is known as the acid-test ratio The ratio of net income before taxes to the net sales is the profit margin What do you call the value of the stock as stated on the stock certificate par value The interest rate being referred to in economics is __ if the compounding of the interest is annual effective rate The rate of an investment ratio as defined in economics is the ratio of the net income to __ owner's equity The present worth of all depreciations over the economic life of the item is __ capital recovery What do you call a market situation where there are many sellers and few buyers oligopsony A market situation where a unique product or service is available from a single vendor and that vendor can prevent the entry of all others into the market monopoly In handling unsolcited or unwanted commercial and promotional advertisements and surveys. complainants who are not satisfied with 3 months . the construction of a radio station shall begin only when The NTC has already issued a Permit to construct As provided in RA 7925. a base station in the Land 2 years . the minimum fee chargeable to the client will not be less than __ attendance or appearance Php 1.000 The basic law providing for the regulations of radio station communications in the Philippines and other purposes RA 3846 Which of the following is not true for Be a citizen and a resident of the the qualifications of Board Members of Philippines for 5 consecutive years prior Electronics Engineering to his appointment As provided in ACT 3846.000 If an EE is to appear as an expert witness in court arbitration hearings. It exists when there are a number of people involved who are part owners of the business Partnership What is the mimimum fine for persons who violate a provision of RA 9292 Php 100.the action of the Public Telecom Entities or Content Providers may bring the matter to the NTC in writing within __ from receipt of the alleged text spam This type of business organization can be set up without any formality. a VAS provider needs to secure a franchise if it puts up its own network In accordance with Radio Laws and Regulations. for a period of __ if emergency signal is received It is the process of attracting potential employees to the company so that the selection process can be carried out Recruitment It is the name given to any activity undertaken by the organization with the express purpose of gaining information about potential customer Market Research In accordance with the Philippine Electronic Code the maximum accumulated permissible dose (MPD) of radiation associated with a radio transmitter for a human being who is 54 years old is __ rems 180 Department Order No. an act of providing for the regulation of radio and communications 2 years When was the IRR of RA 9292 approved by the PRC August 31. 2007 The minimum carrier output power of transmitters that require supervision of an Electronics Engineer is 1 kW . 88 at the DPWTC also require the supervision of an ECE in the operation and maintenance of any radio communications system composed of __ more of any type of land radio stations 6 The maximum fine for any violation of RA 3846.Mobile Service must maintain entry in its logbook. devices and accessories manufacturing The promulgation of the syllabi/table of specification for the subjects in the February 9. 2011 .In class B FM transmitter. agreed by an individual in ceremonies creed What is defined as a non-performance that results in the injured party receiving something substantially less than or different from what the contract is intended Material Breach What unit is used to measure the accumulative effects of radiation that can cause generic and somatic effects Roentgens What refers to the process of producing. it states that any person or entity intending to register as VoIP service provider has to post a performance bond of how much 5 Million What is defined as a legally binding agreement or promise to exchange good or services contract What refers to a fundamental obligation under the contract which goes to the root of the contract condition What refers to a statement or oath. often religious in nature. parts. the antenna height must be at least __ above the average terrain 500 ft In NTC 03-11-02005. forming or fabricating electronic equipment and/or related components. subject to the evaluation of the Board. or training insitution recognized by the government or the State where it is established after completing a resident course or program of not less than __ 2 years What costs represents money which has been spent or capital which has been invested and which cannot be recovered due to certain reasons sunk costs NTC memorandum Circular requires Class B-1 to have a transmitter power of 500W and an effective radiated power not lower than __ watts 1000 In Metro Manila. 1 Series of 2011 technician (ECT) is also known as the Board of Electronics Engineering __ To qualify for the Electronics Technician examination. Technician. Trade or Vocational course in electronics or.board licensure examination for electronics technician (ECT) was done in the city of Manila on __ The promulgation of the syllabi/table of specification for the subject in the board licensure examination for electronics Board Resolution No. commercial load shall not exceed __ minutes for one hour program 15 It is the value which is usually determined by a disintersted third party fair value . he/she must be a graduate of an Associate. such equivalent and/or related formal or non-formal course or program from any school. college. university. The aim of this organization is not to make profit but to give support to their members Cooperative __ depreciation is due to the lessening in the demand for the function which the property was designed to render functional A provision placed in a contract which indicates the possible adjustment of material and labor costs is called escalatory clause A mode of extinguishing obligations when a creditor abandons his right to collect is forfeiture The sum of direct labor cost incurred in the factory and the direct cost of material are known as __ costs prime What refers to a principal function of lower management which is to instill in the workforce a comitment and motivating . It happens when a small number of products are processed at each storage before going on to the next stage job production It involves a voluntary association of people. who operate an enterprise collectively.in order to establish a price that is fair to both seller and buyer The __ of a property is what the property is worth to the owner as an operating unit utility value OR use value It is used when products are made singly or in small batches. called members. Section 17 states that the result of the board examination shall be released within __ days after the examination 15 It is the rational way to ensure that our limited time is always used effectively time management According to the code of professional ethics and conduct.enthusiasm for pursuing the goals of the organization What government agency was designated as the chairman of the Electronic Commerce Promotion Council DTI RA 9292. how many points will be given to the resource speaker of a recognized seminar/convention 5 CU per hour In continuing Profession Education. each and every engineer shall recognize and respect the supreme authority of the __ as expressed in its laws and implemented by its agencies state In continuing Profession Education. how many additional points will be given upon completing a Master's degree 30 CU How many CPE points will be given for a Master's Degree 1 CU per academic unit In Continuing Profession Education. how many points will be given to a panelist/reactor/ of a recognized 3 CU per hour . intensive property How many million tons of hydrogen are converted into helium every second at the sun? 700 million What is the expression of the magnitude and direction of the lattice distortion associated with dislocation? Burgers Vector What theorem relates the line integral of a vector field around a simple closed curve C is in IR3 to an integral over surface S for w/c C is the boundary? Stokes Theorem A tornado warning siren on top of a tall pole radiates sound waves uniformly in all directions.250 W/m2. Specific volume is an example of? a physical. At what distance from the siren is the 75 .program Which of the following is a chemical property of a slice of chocolate cake? dietary calories Which of the following is an extensive property of a bubble of air? radius Which of the following is an intensive property? density Which of the following is a physical property? temperature The specific volume of a substance is the volume per gram of substance. At a distance of 15.0 m the intensity of the sound is 0. 2 x 103 m/s Consider an idealized model with a bird (treated as a point source) emitting constant sound power.40 The Concorde is flying at March 1. How long after the plane passes directly overhead will you hear the sonic boom? 20. By how many -6. The string is 80% as long as the stopped pipe. with intensity inversely proportional to the square of the distance from the bird.intensity 0.7 cm3 An aluminium cylinder 10 cm long. with a cross-sectional area of 20 cm2. calculate the ratio of the wave speed on the string to the speed of sound in air. is to be used as a spacer between two steel walls.75 at an altitude of 8000m. We vary the tension of the string until we find the maximum amplitude.6 x 106 Pa.40 x 10-5 K-1 2. causing one of the strings to vibrate with large amplitude.2°C it just slips in between the -8. At 17.7 x 104 N .5 sec A glass flask with volume 200 cm3 is filled to the brim with mercury at 20°C.0 dB A stopped organ pipe is sounded near a guitar. How much mercury overflows when the temperature of the system is raised to 100°C? The coefficient of linear expansion of the glass is 0. 0. If both the pipe and the string vibrate at their fundamental frequency.010 W/m2? What is the speed of longitudinal waves in a lead rod? 1. where the speed of sound is 320 m/s. -1. 0 °C In the Iron-Iron carbide diagram.4 x 10-3 J/s.46 K/s A geologist working in the field drinks her morning coffee out of an aluminium cup. When it warms to 22.00 kg of coffee initially at 70. What is the final temperature after the coffee and the cup attain thermal equilibrium? (Assume that coffee has the same specific heat as water and that there is no heat exchange with the surroundings. assuming that the walls are perfectly rigid and a constant distance apart. the alloys containing solid phase with more that 2% carbon are known as? cast iron __ is use to nullify the effect harmful effect of sulphur in steel and is added during deoxidation? Manganese The intermetallic compound iron carbide is called? cementite __ raises the elastic limit and ultimate strength of the steel without reducing the silicon . The electric current through it adds energy at the rate of 7. calculate the stress in the cylinder and the total force it exerts on each wall. 0.3°C. at what rate does its temperature increase? The specific heat of silicon is 705 J/kg-K.) 66.120 kg and is initially at 20. The cup has a mass of 0.4 mW = 7.walls.0 °C when she pours in 3.0 °C. You are designing an electronic circuit element made of 23 mg of silicon. If your design doesn’t allow any heat transfer out of the element. ductility? __ the combination of operation involving the heating of metal/alloy in solid state and cooling it to obtain the desired properties? heat treatment The transformation product of austenite at low temperature is known as? martensite Any steel heated to a particular temperature above the critical temperature results in the formation of? martensite The principal source of information in the actual process of autenite under nonequilibrium condition as a? TTT Diagram __ involves heating to a predetermined temperature. for most materials it is important only at elevated temperatures? creep In Engineering Economy. impurity-. what do you depreciation . and cold work-dependent contributions? Matthiessen’s rule A single quantum of vibrational or elastic energy? phonon The time-dependent permanent deformation that occurs under stress. holding at that temperature and then cooling at a very slow rate? Annealing The total electrical resistivity of a metal is equal to the sum of temperature-. A. usually by a series of equal payments at periodic intervals of time? A type of bond where in the security is in sum’s form of recognized commercial papers of a well established subsidiary? collateral bond The ratio of quick assets to current liabilities is known as the? acid test ratio In handling unsolicited or unwanted commercial and promotional advertisement and surveys. 9292? P 100. classifications and other contract documents? 5 In accordance with the Philippine Electronic Code the maximum accumulated permissible dose (MPD) of radiation associated with a radio transmitter for human being who is 54 180 .000 The electronic designer will furnish how many sets of drawings. the principal and interest included. the Philippines as well as Japan. belong to what region as far as frequency allocation and wage is concerned? region 3 What is the minimum fine for persons who violate a provision of R.call the method of repaying a debt. complainants who are not satisfied with the action of the Public Telecom Entities or Content Providers may bring the matter to the NTC in writing within _____ from receipt of the alleged text spam? 3 months In accordance with the International Telecommunications Union. forming or fabricating electronic equipment and/or related components. and 20mm width. is classified as __ solids.34 A steel tape 100m long is 2mm too short.O. 205 Find the amount at the end of two years and seven months if P1000 is invested at 8% compounded quarterly using simple interest for anytime less than a year interest period? P 1226. The effective dimension of the steel tape is 40mm. 20mm thickness. crystalline What crystalline structure has a packing Body centric cubic . parts.years old is _________ rems? It refers to the process of producing. How much tensile pull should be applied at the edge of the steel tape to have 100m distance? The modulus of elasticity for steel is 200000MPa? 3200 N What is the most common defects in crystals? Line defects Oldest engineering material known for its good malleability property? Copper A kind of solid which is characterized as consisting of ordered three dimensional arrays of structure motif. devices and accessories? manufacturing What law regulates the operation of CATV systems in the country? E. a violet layer is produced.72mm Aluminum is how many % by weight of the earth’s crust? 8% What do you call a form of stress assisted corrosion. wherein vapor bubbles form and then burst on a surface causing damage to the underlying material? cavitation What are stresses induced in vessels containing pressurized materials? pressure stresses The most active non-metallic element is? fluorine When chlorine water and carbon tetrachloride are mixed with an unknown.52? What gives the average ratio of stress to strain of the material operating in the non-linear region of the stress-strain diagram? secant modulus A tank 8 m in diameter.factor of 0. the Subtracting the vapour pressure of water . 12 m high is completely filled with water. The unknown is a(n)? iodide Name the element of the first 20 whose atom gives up an electron the most readily? K When a gas is collected over water. Determine the minimum thickness of the tank plating if the stress is limited to 40 MPa? 11. 5L of O2 gas? Graham’s Law refers to? 0.pressure is corrected by? at that temperature* At 5 atm pressure and 70 degs C.267 Gaseous diffusion Enthalpy is an expression for the? Heat content A process where heat is released to the surroundings. how many moles are present in 1. Exothermic process In a closed system at constant volume and temperature its energy decreases during a spontaneous process? Helmholtz Energy In a closed system at constant pressure and temperature its energy decreases during a spontaneous process Gibbs Energy It states that the vapour pressure in a solution is the sum of the vapour pressure of the pure component multiplied by the mole fraction of that component. Raoults Law The principle that the amount of gas dissolved under equilibrium in a volume of liquid is in direct proportion to the pressure of the gas that contact the liquid surface Henrys Law Sum of all powers appearing in the empirical law? Reaction order . If the income of his investment will be taxed 42%. must his investment has to attain his goal? 12% How much heat must be supplied to a pan of 500 g to increase the temperature from 20°C to 100°C if the pan is made up of aluminum? Specific heat capacity of aluminum is 0. A is 5 cm from B and 10 cm from C. before payment. what is the minimum rate of return. 8800 cal A heat engine operates with a supplied heat of 65 kcal and exhausts 40 kcal.22 cal/g-°C. Mangalindan would like to earn 7% of his income after payment of his taxes due. How much work is done by the engine? 104600 J A charge A of +250 statcoulomb is placed in between 2 charges B of +50 statcoulomb and C of -300 statcoulomb.A reaction step that represents the reaction at the molecular level Elementary step Assumes that the concentration of a reaction intermediates is constant during the main part of the reaction. What is the force on A? 1250 N The amount of force required to cause a unit deformation (displacement) often called the spring constant is the? stiffness . Steady-state approximation A reaction in which the number of chain carriers decreases Termination step Mr. Use G=83 GPa.5 deg/m. losing speed in the forward direction. either short term or long term. 5. It carries a concentrated load of 20kN at the left end and 40 kN at 2m from the right end of the beam. the perceived force inside the ship is directed Defined as 1/π candle per square toward the front .What is the material stress for brittle materials.403 N-m A simple beam having a span of 6 m has a weight of 20kN/m. 40 kN A type of line defect consist of an extra row or plane of atoms in the crystal structure? edge dislocations Nuclear physicists commonly use particle accelerators to? fabricate elements that don’t occur naturally High levels of UV radiation. that is. compute the reaction at the right end of the beam. in thecalculation of allowable stress from the formula? ultimate strength Determine the maximum torque that can be applied to a hollow circular steel shaft of 100-mm outside diameter and 70-mm inside diameter without exceeding a shearing stress of 60 MPa or a twist of 0. If it is supported at 2m from the left end and at the right end. are known or believed to cause all the following except? ozone depletion A diverging lens? can collimate converging rays of light If a spaceship is slowing down. not deflected by magnetic or electric fields. and produce little ionization? gamma particles How many molecules are present in 2. These drops are not allowed to exchange energy with their environment. How does the temperature of these drops change when they combine? increase Which of the following quantities has the greatest Influence on the overall steam temperature at the steam turbine efficiency of a conventional (Rankine inlet cycle) electric generating station burning fossil fuels? The modulus of elasticity for a material refers to? the ratio of stress over strain What property of a metal describes the .7 x 1022 molecules Under which of the following conditions only at low densities when the molecules does the behavior of a real gas resemble are relatively far apart that of an ideal gas? Consider two water drops at a temperature T.5 liters of gas at STP? 6.centimetre? Lambert Who developed a wave equation. the solution of which described the wave amplitude of the matter waves as well as the allowed energy values the particle can have? Erwin Schrodinger These are highly penetrating electromagnetic radiation. These two drops collide and combine. 618.232. How much is it? Php 393. 2011 The promulgation of the syllabi/table of specification for the subjects in the Board Resolution No.onset of plastic deformation in a tensile test? yield strength Which of the following is not a stage in color changing process in alchemy? Kuntosis Which of the following is the common name for battery acid Sulfuric Acid The element that was discovered between calcium and titanium Scandium The shorthand name for molybdenum is? Mo 500 years ago. 1 Series of 2011 board licensure examination for electronics technician (ECT) is also known as the Board of Electronics .01 with an interest rate of 5% per annum. Now the bank discovered that you are the only left in the clan and entitled to receive the money. and ownership in the corporation on a specific date? balance sheet The promulgation of the syllabi/table of specification for the subjects in the board licensure examination for electronics technician (ECT) was done in the city of Manila on? February 9. liabilities.3 It is a financial summary showing the relationship among assets. Rajah Salayog deposited P0. how many additional points will be given upon completing a Master’s degree? 30 CU In Continuing Profession Education. Trade or Vocational course in electronics or.Engineering __ ? To qualify for the Electronics Technician examination. he/she must be a graduate of an Associate. Technician. sole authorship of book monograph with more than 100 page will merit the author 40 CU . how many points will be given to the resource speaker of a recognized seminar/convention? 5 CU per hour In Continuing Profession Education. such equivalent and/or related formal or non-formal course or program from any school. which of the following is not classified under technical subjects? Philippine Electrical Code In Continuing Profession Education. university or training institution recognized by the government or the State where it is established after completing a resident course or program of not less than? 2 years According to the syllabi for the Electronics Technician licensure examination. college. subject to the evaluation of the Board.