Automobile Engine MCQs

Question 1

In a four-stroke diesel engine, during suction stroke

Accepted Answer

Only air is sucked in

Answer

Only diesel is sucked in

Answer

Mixture of diesel and air is sucked in

Answer

None of these

Question 2

In the composition of a cast iron cylinder the percentage of Iron is-

Accepted Answer

95%

Answer

2.2%

Answer

1.20%

Answer

22%

Question 3

The material of the exhaust valve is

Accepted Answer

Silicon chrome steel

Answer

Aluminium alloy

Answer

Cast iron

Answer

Low carbon steel

Question 4

The delay period in SI engine is about

Accepted Answer

0.002 s

Answer

0.10 s

Answer

0.0002 s

Answer

The ignition time lag

Question 5

The flywheel is located on the

Accepted Answer

Crankshaft

Answer

Racker arm shaft

Answer

Cam shaft

Answer

All of these

Question 6

Atransfer case is used in

Accepted Answer

Four wheel drive vehicle

Answer

All vehicles

Answer

Front wheel drive vehicle

Answer

Rear wheel drive vehicle

Question 7

The basic purpose of providing caster angle on wheels is to

Accepted Answer

Maintain directional control

Answer

Prevent uneven tyre wear

Answer

Bring the road contact of the tyre under the point of load

Answer

Compensate for wear in the steering linkage

Question 8

The two-stroke cycle engine has

Accepted Answer

Only ports, covered and uncovered by piston to effect charging and exhausting

Answer

One intake valve and one exhaust valve operated by one cam

Answer

One intake and one exhaust valve operated by two cams

Answer

None of these

Question 9

Which engine has less overhaul life?

Accepted Answer

Petrol engine

Answer

Diesel engine

Answer

Both

Answer

None of these