Code No: 117AV Set No.1 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV B.Tech. I Sem., I Mid-Term Examinations, September -2017 AUTOMOTIVE ELECTRICAL AND AUTOTRONICS Objective Exam Name: ______________________________ Hall Ticket No. A Answer All Questions. All Questions Carry Equal Marks. Time: 20 Min. Marks: 10. I. Choose the correct alternative: 1. A modern automobile electrical system consists of four main circuits namely the starting circuit, generating circuit, ignition circuit, and the a) Switching circuit b) Defroster circuit c) Lighting circuit d) Cooling circuit [ ] 2. The assembly of plates and separators in an automobile battery is called a) Element b) Cell c) Casing d) Terminals [ ] 3. A six – cell automobile battery produces a) 6 V b) 9 V c) 18 V d) 12 V [ ] 4. The alternating current produced in the alternator stator is rectified by a) Commentator bars b) Diodes c) Electromagnetic induction d) Current reversal [ ] 5. Normally the first 10% of the combustion charge takes a specific length of time to burn, and to compensate this, a ------------------------------------------ mechanism is used to advance the ignition firing point as the engine speed increases. a) Electronic timing advance b) Automatic timing advance c) Centrifugal mechanical timing advance d) Initial specific timing advance [ ] 6. The most accurate timer for an electronic ignition system is a) Diode b) Transistor c) Pulse generator d) None of the above [ ] 7. The ----------------------------- ignition system is generally used on four – cylinder engines, because the control system becomes more complex for higher number of cylinders. a) Distributorless b) Battery c) Magneto d) Electronic [ ] 8. The ------------------------------------- in an ignition system stores energy in the form of magnetism, and delivers it to the distributor via the HT lead. a) Ballast resistor b) Ignition coil c) Ignition module d) Pulse generator [ ] 9. A 56 amp/hour battery should be able to deliver a current of a) 56 amps for 1 hour b) 1 amp for 56 hours c) (1/56) amps for 1 hour d) 1 amp for (1/56) hour [ ] 10. Most of the high amperage circuits in an modern automobile wiring systems are routed through the a) Battery circuits b) Low voltage circuits c) Power centers d) Interior fuse panel [ ] Contd. 2 18. In a stall test on the starting system. it causes --------------------------------. the motor receives energy from the --------------------------. high amperage readings indicate a ---------------------------.occurs when a lead acid battery is deprived of a full charge. --------------------------------------. 16.current forced through the battery can cause chemical reactions which restore the battery materials. the voltage is adjusted to the specified value. 17. and the amperage value is compared to the starter specifications. 1 II Fill in the Blanks: 11. in which the armature is locked. When a thin semi – conductor chip carrying current is crossed at right angles by a magnetic field. 13. This is known as the --------------------------------. ---oo0oo--- . A --------------------------. which you may need to leave on when the car is parked.in a starter motor is a device which converts voltage to mechanical work. the current flows from the positive (+) terminal to the component being operated. The -------------------------------------. While starting. are always wired independently of the ignition switch. In the state – of – charge test of a battery.system.of an automobile. If the spark plugs used are not of the correct heat range. four points are added to the hydrometer reading for every ------ degree rise in the electrolyte temperature above 300 K. In a -----------------------------------. 15. In a lead – acid battery. 12. and supplies the mechanical energy necessary to start the engine. a potential difference is produced at the edges of the chip. 20. 14.Code No: 117AV :2: Set No. 19. a -----------------------------. Most of the high amperage circuits in an modern automobile wiring systems are routed through the a) Battery circuits b) Low voltage circuits c) Power centers d) Interior fuse panel [ ] 8. Normally the first 10% of the combustion charge takes a specific length of time to burn. a) Electronic timing advance b) Automatic timing advance c) Centrifugal mechanical timing advance d) Initial specific timing advance [ ] 3. a) Ballast resistor b) Ignition coil c) Ignition module d) Pulse generator [ ] 6. generating circuit. All Questions Carry Equal Marks.ignition system is generally used on four – cylinder engines. because the control system becomes more complex for higher number of cylinders. A Answer All Questions. ignition circuit. A 56 amp/hour battery should be able to deliver a current of a) 56 amps for 1 hour b) 1 amp for 56 hours c) (1/56) amps for 1 hour d) 1 amp for (1/56) hour [ ] 7. The most accurate timer for an electronic ignition system is a) Diode b) Transistor c) Pulse generator d) None of the above [ ] 4. Choose the correct alternative: 1. The alternating current produced in the alternator stator is rectified by a) Commentator bars b) Diodes c) Electromagnetic induction d) Current reversal [ ] 2. and to compensate this.. A modern automobile electrical system consists of four main circuits namely the starting circuit. The ----------------------------.mechanism is used to advance the ignition firing point as the engine speed increases. The ------------------------------------. 2 . A six – cell automobile battery produces a) 6 V b) 9 V c) 18 V d) 12 V [ ] Contd. I Sem. a -----------------------------------------. Marks: 10. The assembly of plates and separators in an automobile battery is called a) Element b) Cell c) Casing d) Terminals [ ] 10. 2 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV B. I. and the a) Switching circuit b) Defroster circuit c) Lighting circuit d) Cooling circuit [ ] 9.Tech.Code No: 117AV Set No.in an ignition system stores energy in the form of magnetism. and delivers it to the distributor via the HT lead. a) Distributorless b) Battery c) Magneto d) Electronic [ ] 5. I Mid-Term Examinations. Time: 20 Min. September -2017 AUTOMOTIVE ELECTRICAL AND AUTOTRONICS Objective Exam Name: ______________________________ Hall Ticket No. When a thin semi – conductor chip carrying current is crossed at right angles by a magnetic field. the current flows from the positive (+) terminal to the component being operated. This is known as the --------------------------------. While starting. --------------------------------------. ---oo0oo--- .in a starter motor is a device which converts voltage to mechanical work. 2 II Fill in the Blanks: 11. If the spark plugs used are not of the correct heat range. a potential difference is produced at the edges of the chip. In a stall test on the starting system. the motor receives energy from the --------------------------. are always wired independently of the ignition switch. 20. In the state of charge test of a battery. four points are added to the hydrometer reading for every ------- degree rise in the electrolyte temperature above 300 K. 14. A --------------------------. which you may need to leave on when the car is parked. 17. 15. In a lead – acid battery.Code No: 117AV :2: Set No.occurs when a lead acid battery is deprived of a full charge. in which the armature is locked.system. a -----------------------------. high amperage readings indicate a ---------------------------. The -------------------------------------. it causes --------------------------------. 16. and the amperage value is compared to the starter specifications.of an automobile. 13. and supplies the mechanical energy necessary to start the engine.current forced through the battery can cause chemical reactions which restore the battery materials. 19. In a -----------------------------------. the voltage is adjusted to the specified value. 18. 12. a -----------------------------------------. A Answer All Questions.. The assembly of plates and separators in an automobile battery is called a) Element b) Cell c) Casing d) Terminals [ ] 8. 2 . Time: 20 Min. a) Distributorless b) Battery c) Magneto d) Electronic [ ] 3.Tech. The ------------------------------------. Most of the high amperage circuits in an modern automobile wiring systems are routed through the a) Battery circuits b) Low voltage circuits c) Power centers d) Interior fuse panel [ ] 6. Marks: 10. 3 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV B. The ----------------------------. I Mid-Term Examinations. All Questions Carry Equal Marks. Choose the correct alternative: 1.ignition system is generally used on four – cylinder engines. a) Electronic timing advance b) Automatic timing advance c) Centrifugal mechanical timing advance d) Initial specific timing advance [ ] Contd. and delivers it to the distributor via the HT lead.Code No: 117AV Set No. and to compensate this. The alternating current produced in the alternator stator is rectified by a) Commentator bars b) Diodes c) Electromagnetic induction d) Current reversal [ ] 10. A 56 amp/hour battery should be able to deliver a current of a) 56 amps for 1 hour b) 1 amp for 56 hours c) (1/56) amps for 1 hour d) 1 amp for (1/56) hour [ ] 5. I Sem. The most accurate timer for an electronic ignition system is a) Diode b) Transistor c) Pulse generator d) None of the above [ ] 2. because the control system becomes more complex for higher number of cylinders. ignition circuit. a) Ballast resistor b) Ignition coil c) Ignition module d) Pulse generator [ ] 4. generating circuit.in an ignition system stores energy in the form of magnetism. I. and the a) Switching circuit b) Defroster circuit c) Lighting circuit d) Cooling circuit [ ] 7. Normally the first 10% of the combustion charge takes a specific length of time to burn.mechanism is used to advance the ignition firing point as the engine speed increases. A modern automobile electrical system consists of four main circuits namely the starting circuit. A six – cell automobile battery produces a) 6 V b) 9 V c) 18 V d) 12 V [ ] 9. September -2017 AUTOMOTIVE ELECTRICAL AND AUTOTRONICS Objective Exam Name: ______________________________ Hall Ticket No. A --------------------------. 14. The -------------------------------------. in which the armature is locked. --------------------------------------. 16. In a stall test on the starting system. While starting. When a thin semi – conductor chip carrying current is crossed at right angles by a magnetic field. are always wired independently of the ignition switch.in a starter motor is a device which converts voltage to mechanical work. This is known as the --------------------------------. 20. 12. high amperage readings indicate a ---------------------------. 18. and supplies the mechanical energy necessary to start the engine. ---oo0oo--- . In a lead – acid battery. the voltage is adjusted to the specified value. and the amperage value is compared to the starter specifications. which you may need to leave on when the car is parked.of an automobile. 15. it causes --------------------------------. In the state of charge test of a battery.Code No: 117AV :2: Set No. four points are added to the hydrometer reading for every ------- degree rise in the electrolyte temperature above 300 K. 13. 17. In a -----------------------------------.occurs when a lead acid battery is deprived of a full charge. the motor receives energy from the --------------------------.current forced through the battery can cause chemical reactions which restore the battery materials. the current flows from the positive (+) terminal to the component being operated. If the spark plugs used are not of the correct heat range.system. 19. a -----------------------------. a potential difference is produced at the edges of the chip. 3 II Fill in the Blanks: 11. a) Electronic timing advance b) Automatic timing advance c) Centrifugal mechanical timing advance d) Initial specific timing advance [ ] 9. 4 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV B.mechanism is used to advance the ignition firing point as the engine speed increases. I Sem. a) Ballast resistor b) Ignition coil c) Ignition module d) Pulse generator [ ] 2. and delivers it to the distributor via the HT lead. Normally the first 10% of the combustion charge takes a specific length of time to burn. The assembly of plates and separators in an automobile battery is called a) Element b) Cell c) Casing d) Terminals [ ] 6. The most accurate timer for an electronic ignition system is a) Diode b) Transistor c) Pulse generator d) None of the above [ ] 10. because the control system becomes more complex for higher number of cylinders. and to compensate this. All Questions Carry Equal Marks. The ------------------------------------. The alternating current produced in the alternator stator is rectified by a) Commentator bars b) Diodes c) Electromagnetic induction d) Current reversal [ ] 8. A Answer All Questions. 2 . a -----------------------------------------.in an ignition system stores energy in the form of magnetism. The ----------------------------. I Mid-Term Examinations. A six – cell automobile battery produces a) 6 V b) 9 V c) 18 V d) 12 V [ ] 7. Marks: 10.Tech. generating circuit. and the a) Switching circuit b) Defroster circuit c) Lighting circuit d) Cooling circuit [ ] 5. A 56 amp/hour battery should be able to deliver a current of a) 56 amps for 1 hour b) 1 amp for 56 hours c) (1/56) amps for 1 hour d) 1 amp for (1/56) hour [ ] 3. a) Distributorless b) Battery c) Magneto d) Electronic [ ] Contd. I.ignition system is generally used on four – cylinder engines. ignition circuit. September -2017 AUTOMOTIVE ELECTRICAL AND AUTOTRONICS Objective Exam Name: ______________________________ Hall Ticket No. Time: 20 Min.. Choose the correct alternative: 1. Most of the high amperage circuits in an modern automobile wiring systems are routed through the a) Battery circuits b) Low voltage circuits c) Power centers d) Interior fuse panel [ ] 4.Code No: 117AV Set No. A modern automobile electrical system consists of four main circuits namely the starting circuit. A --------------------------. the current flows from the positive (+) terminal to the component being operated. are always wired independently of the ignition switch. If the spark plugs used are not of the correct heat range. 15. 20. and supplies the mechanical energy necessary to start the engine. in which the armature is locked. four points are added to the hydrometer reading for every ------- degree rise in the electrolyte temperature above 300 K. ---oo0oo--- . the voltage is adjusted to the specified value. The -------------------------------------. 14. a potential difference is produced at the edges of the chip. high amperage readings indicate a ---------------------------. In the state of charge test of a battery. 13. --------------------------------------. While starting. When a thin semi – conductor chip carrying current is crossed at right angles by a magnetic field. 17. and the amperage value is compared to the starter specifications. which you may need to leave on when the car is parked.in a starter motor is a device which converts voltage to mechanical work. 4 II Fill in the Blanks: 11. 16. a -----------------------------. it causes --------------------------------.of an automobile.occurs when a lead acid battery is deprived of a full charge.current forced through the battery can cause chemical reactions which restore the battery materials. In a lead – acid battery. This is known as the --------------------------------.Code No: 117AV :2: Set No. In a -----------------------------------. 18. In a stall test on the starting system.system. 19. the motor receives energy from the --------------------------. 12.
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