Automobile Engineering MCQ Questions & Answers

21

The two rows of cylinders in a 'V' type engine are generally arranged at

A) 45° B) 60° C) 90° D) 130°

Discuss

Answer & Solution

Answer: Option B

Solution:

The two rows of cylinders in a 'V' type engine are generally arranged at 60°

22

During suction stroke, the inside pressure of cylinder is

A) More than the atmospheric pressure B) Less than the atmospheric pressure C) Equal to the atmospheric pressure D) None of these

Discuss

Answer & Solution

Answer: Option B

Solution:

During suction stroke, the inside pressure of cylinder is Less than the atmospheric pressure

23

The function of an oil control orifice is that it

A) Returns cylinder head lubricating oil to the oil pan at high speed B) Turns oil into fine mist for spray lubrication C) Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes D) Removes impurities from cylinder head lubricating oil

Discuss

Answer & Solution

Answer: Option C

Solution:

The function of an oil control orifice is that it Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes

24

The piston compression rings are made of

A) Cast iron B) Steel C) Aluminium D) Bronze

Discuss

Answer & Solution

Answer: Option A

Solution:

The piston compression rings are made of Cast iron

25

The air gap between the central electrode and ground (or side) electrode of a spark plug is around

A) 0.2 mm B) 0.5 mm C) 1 mm D) 1.5 mm

Discuss

Answer & Solution

Answer: Option C

Solution:

The air gap between the central electrode and ground (or side) electrode of a spark plug is around 1 mm

26

The brake warning light warns the driver of

A) Water in the master cylinder B) Air in the hydraulic system C) Failure of the primary or secondary circuit of hydraulic system D) Power brake failure

Discuss

Answer & Solution

Answer: Option C

Solution:

The brake warning light warns the driver of Failure of the primary or secondary circuit of hydraulic system

27

In a single dry plate clutch, torsional vibrations are absorbed by

A) Coil springs known as torsional springs B) Cushion springs C) Central hub D) Clutch pedal

Discuss

Answer & Solution

Answer: Option A

Solution:

In a single dry plate clutch, torsional vibrations are absorbed by Coil springs known as torsional springs

28

The rigid suspension is beneficial when

A) It is desired to reduce the unsprung mass B) It is desired to have more flexibility in design C) It is desired to improve tyre to ground contact characteristics D) Large changes in load make it necessary to have a large suspension stroke

Discuss

Answer & Solution

Answer: Option D

Solution:

The rigid suspension is beneficial when Large changes in load make it necessary to have a large suspension stroke

29

The lubrication oil flow in an engine is in the order as

A) Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan B) Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan C) Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan D) Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan

Discuss

Answer & Solution

Answer: Option A

Solution:

The lubrication oil flow in an engine is in the order as Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan

30

The cetane rating of Diesel fuel is in the order of

A) 25 B) 45 C) 70 D) 90

Discuss

Answer & Solution

Answer: Option B

Solution:

The cetane rating of Diesel fuel is in the order of 45

Automobile Engineering MCQ Questions & Answers | Mechanical Engineering