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Automobile Engineering Multiple Choice Questions | MCQs | Quiz

Automobile Engineering Interview Questions and Answers
Practice Automobile Engineering questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Introduction & History
•   Automobiles Classification
•   Automobiles Parts
•   Automobiles Description
•   Automobiles Performance
•   Heat Engines
•   IC Engines Development
•   IC Engines Applications
•   Energy Cycle
•   IC Engine Cylinder & Liner
•   Various Engine Parts - 1
•   Various Engine Parts - 2
•   Crankshaft & Camshaft
•   Engine Valve & Mechanism
•   Fuel Injection Systems
•   Flywheel
•   2 Stroke Engines
•   Cylinder Block
•   Cylinder Head
•   Wheel & Tire
•   IC Engines Supercharging
•   Carburettors
•   Petrol Engine Fuel System
•   Lubricationg Systems
•   ↓ Transmission System ↓
•   Clutches
•   Gear Box
•   Universal Joints
•   Steering System
•   Braking System
•   Ignition System
•   IC Engines Alternative Fuels
•   Engine Emissions
•   Vehicles & Powertrain
•   Engine Electronics
•   Performance Parameters
•   Measurements & Testing
•   Nonconventional Engines
•   Storage Batteries
•   Charging System
•   Conventional Fuels
•   Heat Rejection & Cooling

Best Reference Books

Automobile Engineering Books

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Automobile Engineering Questions and Answers – Storage Batteries

Posted on July 23, 2017 by Manish

This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Storage Batteries”.

1. What is the colour of a positive plate of a lead-acid battery?
a) White
b) Grey
c) White
d) Brown
View Answer

Answer: d
Explanation: A positive plate of a lead-acid battery is brown in colour. A negative plate of a lead-acid battery is grey in colour. For each plate, there is a supporting grid made of an alloy of lead and antimony.
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2. What gets deposited on the plates of a discharged lead-acid battery?
a) PbO2
b) Pb2O4
c) Pb
d) PbSO4
View Answer

Answer: d
Explanation: PbSO4 gets deposited on the plates of a discharged lead-acid battery. During discharging the reaction happens in the right direction. PbSO4 gets deposited on both negative and positive plates.

3. What is the twenty-minute rating of battery?
a) Rate of current for 20 minutes with a minimum cell voltage of 1.5 V
b) Time for which the battery can supply 25 A at 80℉ with minimum cell voltage 1.75 V
c) The current which the battery can supply continuously for 30 seconds with minimum cell voltage 1.2 V
d) Lasting power of a battery on a small load
View Answer

Answer: a
Explanation: The rate of current 20 minutes with a minimum cell voltage of 1.5 V is called a twenty-minute rating of the battery. The temperature of the battery at the start of the test is brought to 80℉. It represents the rate of current a battery can deliver continuously.

4. What is the reserve capacity of battery?
a) Time for which the battery can supply 25 A at 80℉ with minimum cell voltage 1.75 V
b) The current which the battery can supply continuously for 30 seconds with minimum cell voltage 1.2 V
c) Lasting power of a battery on a small load
d) Rate of current for 20 minutes with a minimum cell voltage of 1.5 V
View Answer

Answer: a
Explanation: The reserve capacity is the time for which the battery can supply 25 A at 80℉ with minimum cell voltage 1.75 V. It is the measurement for the total capacity of the battery.

5. What is the cold rate of a battery?
a) Lasting power of a battery on a small load
b) Rate of current for 20 minutes with a minimum cell voltage of 1.5 V
c) The current which the battery can supply continuously for 30 seconds with minimum cell voltage 1.2 V
d) Time for which the battery can supply 25 A at 80℉ with minimum cell voltage 1.75 V
View Answer

Answer: c
Explanation: It is a measure of the worst conditions under which a battery is expected to deliver current, e.g., during starting the engine and operating under extreme cold. The cold rate of a battery is the current which the battery can supply continuously for 30 seconds with minimum cell voltage 1.2 V.
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6. What is a twenty-hour rate of a battery?
a) The current which the battery can supply continuously for 30 seconds with minimum cell voltage 1.2 V
b) Lasting power of a battery on a small load
c) Time for which the battery can supply 25 A at 80℉ with minimum cell voltage 1.75 V
d) Rate of current for 20 minutes with a minimum cell voltage of 1.5 V
View Answer

Answer: b
Explanation: A twenty-hour rate of a battery is the lasting power of a battery on a small load. During this test, the temperature should be about 80oF. This rating is important for powering accessories when the engine is not running.

7. What should a fully-charged 6 cell automotive battery indicate?
a) 12 V
b) 12.6 V
c) The specific gravity of 1.29 at 32℃
d) 12.6 V and the specific gravity of 1.29 at 32℃
View Answer

Answer: d
Explanation: A fully-charged 6 cell automotive battery indicates 12.6 V and a specific gravity of 1.29 at 32℃. There should be no leak. The battery can be checked using a digital multimeter.

8. What is the number of positive plates in a battery cell?
a) One more than the negative plates
b) Two less than the negative plates
c) One less than the negative plates
d) Two more than the negative plates
View Answer

Answer: c
Explanation: The number of positive plates in a battery cell is one less than the negative plates. One positive and one negative group of plates are sliding over each other, with separators sandwiched between them.

9. What is a maintenance-free battery?
a) A battery having lead-antimony plate grid
b) A battery having lead-calcium plate grid
c) A battery does not contain acid
d) A battery does not contain water
View Answer

Answer: b
Explanation: A maintenance-free battery is a battery having a lead-calcium plate grid. The battery which uses this plate grid loses water very slowly.

10. Which of the following is the advantage of alkaline battery?
a) High energy density
b) Good discharge characteristics over a wide range of temperature
c) The specific gravity of electrolyte remains the same
d) Cheap raw materials are used
View Answer

Answer: c
Explanation: The advantage of the alkaline battery is that the specific gravity of electrolyte remains the same. The electrolyte does not take part in chemical reactions on charging or discharging.
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Sanfoundry Global Education & Learning Series – Automobile Engineering.

To practice all areas of Automobile Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.

« Prev Page - Automobile Engineering Questions and Answers – Nonconventional Engines
» Next Page - Automobile Engineering Questions and Answers – Charging System

« Automobile Engineering Questions and Answers – Nonconventional Engines
Automobile Engineering Questions and Answers – Charging System »
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Manish Bhojasia
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Facebook | Twitter

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