Automobile Engineering MCQs

Question 1

The commonly used antifreeze solution in automobiles is

Accepted Answer

Ethylene glycol

Answer

Carbon disulphide

Answer

Ammonium chloride

Answer

Freon-12

Question 2

In bias ply tyres

Accepted Answer

One ply layer runs diagonally one way and another layer runs diagonally the other way

Answer

All plies run parallel to one another

Answer

Belts of steel mesh are used in the tyres

Answer

All of the above

Question 3

In radial tyres

Accepted Answer

All plies run parallel to one another and vertical to tyre bead

Answer

One ply layer runs diagonally one way and another layer runs diagonally the other way

Answer

Inner tubes are always used

Answer

None of these

Question 4

The gradient resistance to a vehicle having a mass of 980 kg moving on an incline of 10° is

Accepted Answer

1669.4 N

Answer

1.6694 N

Answer

16.694 N

Answer

166.94 N

Question 5

In aluminium cylinder blocks, the cylinder liners are made of

Accepted Answer

Cast iron

Answer

Aluminium

Answer

Ceramic

Answer

Brass

Question 6

The brake pedal during ABS operation

Accepted Answer

Transmits slight kickback to the driver's foot

Answer

Is pushed upward forcefully

Answer

Pedal stroke becomes longer

Answer

All of the above

Question 7

When the front wheels of a vehicle are locked during braking, then

Accepted Answer

Driver loses control over the steering, and the vehicle continues moving in its current direction

Answer

Stopping distance becomes extremely long

Answer

Front tyres skid across the road surface, and the vehicle spins around

Answer

Rear tyres skid across the road surface, and the vehicle spins around

Question 8

What type of bearing is used for main bearings and connecting rod bearings?

Accepted Answer

Plain bearings

Answer

Ball bearings

Answer

Needle roller bearing

Answer

Taper roller bearing

Question 9

During braking, the brake shoe is moved outward to force the lining against the

Accepted Answer

Brake drum

Answer

Wheel piston or cylinder

Answer

Anchor pin

Answer

Wheel rim or axle