Home
Current Affairs January 2024

What is the correct answer?

4

The parking brakes employed in vehicles are operated

A. Mechanically

B. Hydraulically

C. Pneumatically

D. None of these

Correct Answer :

A. Mechanically


Related Questions

What is the correct answer?

4

The compression ratio of a petrol engine is nearly

A. 4 : 1

B. 8 : 1

C. 15 : 1

D. 20 : 1

What is the correct answer?

4

Which of the following symptom is caused as a result of brake disc run out?

A. Ineffectiveness of the brakes

B. Judder during braking

C. Localized wearing of the brake pads

D. Rapid wearing of the brake pads

What is the correct answer?

4

The octane rating of petrol commercially available is

A. 85-95

B. 95-100

C. 100-110

D. 110-125

What is the correct answer?

4

The petrol engines are also known as

A. Spark ignition (S.I.) engines

B. Compression ignition (C.I.) engines

C. Steam engines

D. None of these

What is the correct answer?

4

Tachometer in a vehicle measures

A. Speed

B. Distance

C. Engine r.p.m.

D. Fuel consumption

What is the correct answer?

4

The fuel that detonates easily, is

A. N-heptane

B. Iso-octane

C. Benzene

D. Alcohol

What is the correct answer?

4

In order to implement gear changes in the gear unit of an automatic transmission, a ________ is used.

A. Synchronizer

B. Planetary gear

C. Magnetic clutch

D. Hydraulic multi plate clutch

What is the correct answer?

4

The two kinds of piston rings are

A. Compression and oil control rings

B. Compression and sliding seal rings

C. Oil scrapper and oil control rings

D. Pressure and sealing rings

What is the correct answer?

4

A traction control system (TCS) in automobiles controls the

A. Vibrations on the steering wheel

B. Engine power during acceleration

C. Torque that is transmitted by the tyres to the road surface

D. Stopping distance in case of emergency

What is the correct answer?

4

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

What is the correct answer?

4

The clutch is located between the transmission and the

A. Engine

B. Rear axle

C. Propeller shaft

D. Differential

What is the correct answer?

4

In petrol engines, during suction stroke, ________ is drawn in the cylinder

A. Air and fuel

B. Only fuel

C. Only air

D. None of these

What is the correct answer?

4

The crescent shaped cavity on the piston head top surface is called as

A. Piston oil hole

B. Snap ring

C. Valve recess

D. Valve clearance

What is the correct answer?

4

The negative terminal post on the top of a battery is

A. Smaller than the positive terminal post

B. Larger than the positive terminal post

C. Of the same size as the positive terminal post

D. None of these

What is the correct answer?

4

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

What is the correct answer?

4

Clutch facings are usually attached to the plate by

A. Steel rivets

B. Brass rivets

C. Aluminium screws

D. Steel screws

What is the correct answer?

4

The main function of an exhaust muffler is the

A. Optimisation of exhaust efficiency

B. Reduction of exhaust noise

C. Reduction of nitrogen oxide in the exhaust gases

D. Reduction of the exhaust gas volume

What is the correct answer?

4

The basic characteristics of a brake fluid is

A. A high boiling point

B. Low viscosity

C. Compatibility with rubber and metal parts

D. All of these

What is the correct answer?

4

The basic purpose of a four wheel drive (4WD) system is that it

A. Delivers improved cornering on dry road surfaces

B. Eliminates the need of snow tyres, tyre chains, etc.

C. Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces

D. Ensures that effective braking can be performed, even on slippery surfaces

What is the correct answer?

4

The advantage of having a tandem master cylinder arrangement in automobiles is that it

A. Enhances safety by serving two independent lines in a divided line brake circuit

B. Enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss

C. Supplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side

D. Boosts the brake fluid pressure to reduce the force required to depress the brake pedal

What is the correct answer?

4

Which part of the automobile tyre is subjected to greatest flexing action?

A. Bead

B. Side wall

C. Shoulder

D. Tread

What is the correct answer?

4

In a Diesel engine, the fuel is ignited by

A. An electric spark

B. The heat of compression

C. The hot exhaust

D. None of these

What is the correct answer?

4

Which of the following indicates multigrade oil?

A. SAE 30

B. API SF

C. SAE 20 W50

D. API 50

What is the correct answer?

4

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

What is the correct answer?

4

How many cells are used in a 12 volt car battery?

A. 2

B. 4

C. 6

D. 8

What is the correct answer?

4

In a four wheel drive (4WD), the numbers of gear boxes are

A. 1

B. 2

C. 3

D. 4

What is the correct answer?

4

When a gear box has four forward speeds and one reverse speed, it is said to be a

A. 3-speed gear box

B. 4-speed gear box

C. 5-speed gear box

D. 6-speed gear box

What is the correct answer?

4

The main function of the brake fluid is

A. Lubrication

B. Power transmission

C. Cooling

D. None of these

What is the correct answer?

4

The formula for Isooctane is

A. C8H18

B. C7H17

C. C6H18

D. C7H18

What is the correct answer?

4

The negative plates of a lead acid battery has

A. Lead peroxide (PbO₂)

B. Spongy lead (Pb)

C. Lead sulphate (PbSO₄)

D. Sulphuric acid (H₂SO₄)