Chemical Engineering Board Exam Reviewer

May 25, 2018 | Author: Richelle Charlene | Category: Potash, Chemistry, Materials, Chemical Substances, Nature


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quiz bee(ga 4) prepared by group 2 of 5CHEB 2018 EASY 1 What closure is the weakest enclosure for cylindrical vessels? A. Hemispherical B. Conical or flat plate C. Torispherical D. Elliptical 1 Answer: B. Conical or flat plate 2 The ratio of the internal working pressure to the allowable stress of the pipe material. A. Nominal diameter B. Birmingham Wire Gage C. Standard Number D. Schedule Number 2 Answer: D. Schedule Number 3 Which of the following controllers have maximum offset? A. P Controller B. PI Controller C. PD Controller D. PID Controller 3 Answer: A. P Controller It is designed to compute the output of the 4 controller to ensure the process variable is unaffected by any predictable disturbances in the process. A. Open loop system B. Closed loop system C. Feedback D. Feedforward 4 Answer: D. Feedforward It is the legally required standard for 5 pressure vessel design, fabrication, inspection, and testing in North America. A. ASME BPV Code B. International Regulatory Standard for Design C. American Institute of Instrumentation and Design D. American Code of Boiler and Pressure 5 Answer: A. ASME BPV Code 6 The process done in making the leather more flexible and prepare them for tanning. A. Liming B. Pre-tanning C. Finishing D. Bating 6 Answer: D. Bating 7 Lime, Silica, and Sand constitute ___% of the glass. A. 85 B. 90 C. 75 D. 68 7 Answer: B. 90 8 It receives the output signal to change the valve settings. A. Actuator B. Regulator C. Controller D. Sensor 8 Answer: A. Actuator 9 It was originally known as the “guncotton”. A. Nitric Acid B. Nitrocellulose C. Cellulose Acetate D. Butyl Acetate 9 Answer: B. Nitrocellulose 10 Which of the following is not an example of primary explosive? A. Lead azide B. Fulminate C. Tetrazine D. TNT 10 Answer: D. TNT WILDCARD QUESTION EASY ROUND (GAIN 10/ LOSE 5) “ How many cells does a pH meter have? 2 AVERAGE 1 It is an excipient that reduces interactions between particles and surfaces of processing equipment A. Surfactants B. Lubricants C. Binders D. Fillers 1 Answer: B. Lubricants The operating point in a pumping system is 2 identified by A. Point of intersection of pump curve and system curve B. Point of intersection of system curve and efficiency curve C. Cannot be determined by the pump characteristic curves D. Point of intersection of pump curve and theoretical power curve Answer: 2 A. Point of intersection of pump curve and system curve 3 The ratio of lateral strain to linear strain is termed as the A. modulus of elasticity B. shear modulus C. bulk modulus D. Poisson's ratio 3 Answer: D. Poisson’s Ratio 4 Twenty-five percent cut segmental baffle means that the baffle’s A. height is 25% of the ID of shell B. height is 75% of the ID of shell C. width is 25% of its height D. spacing is 75% of its height 4 Answer: B. height is 75% of the ID of shell The regulation of heartbeat and 5 heater systems are examples of what type of control? A. Feedforward B. Feedback C. On/off D. Reverse-acting 5 Answer: A. Feedforward 6 The corrosion allowance for 316 Stainless steel ½” – 1” Sch. 160 with radioactive slurry at 230 Psig. A. 0.125 in B. 0.125 cm C. 2 cm D. 0.3 in 6 Answer: A. 0.125 in 7 It is made by the electrolysis of KCl using procedures similar to those for NaOH. A. Caustic potash B. Pearl ash C. Black powder D. Fertilizer 7 Answer: A. Caustic potash 8 The vertical distance between centerline and liquid surface in destination tank minus the suction head results to: A. Discharge head B. Suction head C. Elevation head D. Friction head 8 Answer: C. Elevation head 9 A chemical engineer specializing in the economic aspects of the design is often referred to as a _______. A. Process Engineer B. Economic Engineer C. Cost Engineer D. Capitalized Engineer 9 Answer: C. Cost Engineer 10 It is used as solvent for ore minerals. A. Ethylene bromide B. Hydrochloric acid C. Sulfuric acid D. Hydrobromic acid 10 Answer: D. Hydrobromic acid WILDERCARD QUESTION AVERAGE ROUND (GAIN 20/ LOSE 10) “ What do you call the tree that is a primary source of natural rubber? Hevea Brasiliensis DIFFICULT These are some of the steps in designing an 1 equipment: 1. Material and Energy Balance 2. Economic Evaluation 3. Design Objective 4.Process Design Development and Detailed Flow Diagrams What is the correct arrangement? A. 3, 4, 1, 2 C. 3, 1, 4, 2 B. 3, 1, 2, 4 D. 3, 2, 1, 4 1 Answer: A. 3, 4, 1, 2 2 Among the category of welds, where do the longitudinal or spiral welds in the main shell, necks or nozzles belong? A. Category A B. Category B C. Category C D. Category D 2 Answer: A. Category A 3 To transport a liquid from one vessel to another through a pipeline, energy has to be supplied to: I. Overcome friction losses. II. Overcome any difference in elevation. III. Overcome pressure differences between vessels. A. I & II B. II & III C. III & I D. I, II & III 3 Answer: D. I, II & III German scientist who clarified the value 4 of elements derived from the soil in plant nutrition and stressed the necessity of replacing those elements to maintain soil fertility A. Carl Bosch B. Fritz Haber C. Hans Fischer D. Max Le Blanc 4 Answer: B. Fritz Haber 5 A method to extract sulfur from underground deposits and it is the only economical method of recovering sulfur. A. Herman Process B. Frasch Method C. Contact Process D. Sicilian Process 5 Answer: B. Frasch Method 6 A process of RDX that involves the destructive nitration of hexamethylenetetramine with concentrated nitric acid. A. Tennessee Eastman B. Woolwich process C. McGill University process D. Kraft process 6 Answer: B. Woolwich process 7 Who introduced the lead chamber process? A. Roebuck B. Phillips C. Guccione D. Sander 7 Answer: A. Roebuck 8 What is the laplace transform of the function: f(t) = 3e2t sin 3t + 4e2t cos 3t? 4𝑠+1 A. 𝐹 𝑠 = 𝑠 2 +4𝑠+13 4𝑠−1 B. 𝐹 𝑠 = 𝑠 2 +4𝑠−13 4𝑠+1 C. 𝐹 𝑠 = 𝑠 2 +4𝑠−13 4𝑠−1 D. 𝐹 𝑠 = 𝑠 2 +4𝑠+13 8 Answer: 4𝑠 − 1 B. 𝐹 𝑠 = 2 𝑠 + 4𝑠 − 13 9 Match the following: I. Salt cake W. Ca(OH2) II. Slaked lime X. Na2SO4.10H2O III. Glauber’s salt Y. Na2SO4 IV. Dolomite Z. MgCO A. I-Y, II-W, III-X, IV-Z B. I-Y, II-W, III-Z, IV-X C. I-W, II-Y, III-X, IV-Z D. I-Z, II-Y, III-X, IV-W 9 Answer: A. I-Y, II-W, III-X, IV-Z When the temperature, the controlled 10 variable, is above the set point, the controller will reduce the heat input by manipulating some variable. The system uses what type of control system? A. Negative Feedback B. Positive Feedback C. Negative Feedforward D. Positive Feedforward 10 Answer: A. Negative Feedback WILDESTCARD QUESTION DIFFICULT ROUND (GAIN 30/ LOSE 15) What is the correct graphical “ representation of the given Laplace transform? Answer: “ Thanks!
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