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Automobile Engineering - Section 1 (3)

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Automobile Engineering - Section 1

17. 

The battery is an electrochemical device, which means battery

A. makes chemicals by mechanical means
B. uses chemical action to provide electricity
C. has curved plates instead of flat plates
D. does not use an electrolyte

Answer: Option B

Explanation:

No answer description available for this question.

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18. 

The difference between DOT 3 and DOT 4 brake fluids is

A. DOT 4 fluid has a higher boiling point than DOT 3 fluid
B. DOT 4 fluid has a lower boiling point than DOT 3 fluid
C. DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life
D. DOT 4 fluid is more resistant to freezing than DOT 3 fluid

Answer: Option A

Explanation:

No answer description available for this question.

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19. 

The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as

A. indicator diagram
B. axial force diagram
C. valve timing diagram
D. none of these

Answer: Option C

Explanation:

No answer description available for this question.

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20. 

The information provided by the oxygen (O2) sensor to the feedback control system is about the

A. air-fuel ratio
B. air temperature
C. air flow speed
D. exhaust gas volume

Answer: Option A

Explanation:

No answer description available for this question.

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21. 

If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called

A. detonation
B. ignition
C. pre-ignition
D. rumble

Answer: Option C

Explanation:

No answer description available for this question.

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22. 

If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

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23. 

The co-efficient of rolling resistance for a truck weighing 63 500 N is 0.018. The rolling resistance to the truck is

A. 1.143 N
B. 11.43 N
C. 114.3 N
D. 1143 N

Answer: Option D

Explanation:

No answer description available for this question.

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24. 

The advantage of double-wishbone suspension design is that a large amount of freedom is available for setting geometry and precise settings can be made for driving comfort and steerability,

A. Correct
B. Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

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