Home
Current Affairs January 2024

What is the correct answer?

4

The Diesel engine works on

A. Otto cycle

B. Carnot cycle

C. Diesel cycle

D. Rankine cycle

Correct Answer :

C. Diesel cycle


Related Questions

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)

What is the correct answer?

4

In radial tyres

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

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

C. Inner tubes are always used

D. None of these

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 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 component of the oil filter that prevents the passage of metal particles and sludge is

A. Element

B. Relief valve

C. Check valve

D. Case

What is the correct answer?

4

The power actually developed inside the engine cylinder is called as

A. Indicated power

B. Brake power

C. Frictional power

D. None of these

What is the correct answer?

4

In comparison with a radial tyre, one advantage of a bias ply tyre is

A. Longer life

B. Lower rolling resistance

C. Smoother ride at low speeds

D. None of these

What is the correct answer?

4

The most effective method of controlling S.I. engine exhaust emission is by

A. Recirculating exhaust

B. Using catalytic converter

C. Using some additives in the fuel

D. None of these

What is the correct answer?

4

The basic part of the engine, to which the other engine parts are attached or assembled is the

A. Cylinder head

B. Crankshaft

C. Cylinder block

D. Oil pan

What is the correct answer?

4

The function of a governor in automobiles is to

A. Limit the power

B. Limit the vehicle speed

C. Maintain constant engine speed

D. Maximise the fuel economy

What is the correct answer?

4

If clearance volume of I.C. engines is increased, the compression ratio will

A. Increase

B. Decrease

C. Remain constant

D. Be doubled

What is the correct answer?

4

In vehicles with tilt steering, the steering column is pivoted in

A. Upper bracket

B. Lower bracket

C. Tilt bracket

D. Steering yoke joint

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 piston compression rings are made of

A. Cast iron

B. Steel

C. Aluminium

D. Bronze

What is the correct answer?

4

The lower cylindrical portion of the piston which improves piston cooling performance is called

A. Piston crown

B. Connecting rod

C. Piston pin boss

D. Piston skirt

What is the correct answer?

4

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

What is the correct answer?

4

In automobiles G.V.W. refers to

A. Gross vehicle width

B. Gross vehicle weight

C. Gross vehicle wheel base

D. Gross vehicle wheel track

What is the correct answer?

4

The forced fed lubrication system means that the oil is delivered to the engine by

A. Gravity

B. The pressure created by the oil pump

C. Splashing action of the crankshaft

D. None of these

What is the correct answer?

4

The ignition coil is used to

A. Step up current

B. Step down current

C. Step up voltage

D. Step down voltage

What is the correct answer?

4

The camshaft of a four stroke Diesel engine running at 1000 rpm will run at

A. 500 rpm

B. 1000 rpm

C. 2000 rpm

D. 4000 rpm

What is the correct answer?

4

The frequency of flashing of light per minute in a direction (side turn) indicator is about

A. 9

B. 90

C. 900

D. 9000

What is the correct answer?

4

The function of a second ring is that it is a

A. Back up compression ring which will work in place of the top ring when it is broken

B. Compression ring and aids the top ring in sealing and cooling

C. Back up oil control ring which will work in place of the bottom ring when it is broken

D. Cushion ring which prevents piston slap and knock

What is the correct answer?

4

Instead of valves, the ports are used in case of

A. Four stroke I.C. engines

B. Two stroke I.C. engines

C. V6 engines

D. None of these

What is the correct answer?

4

The engine oil level should be checked

A. Immediately after the ignition switch is turned off

B. While the engine is running

C. A few minutes after the ignition switch is turned off

D. While the engine is running at high idle speed

What is the correct answer?

4

Incorrect steering axis inclination (S.A.I.) causes

A. Tendency to assume toe-out orientation

B. Generation of a braking effect at tight corners

C. Poor recovery of the steering wheel after making a turn

D. The vehicle to pull to the side of lesser inclination

What is the correct answer?

4

The main purpose of an engine's air cleaner is that it

A. Controls the engine's air intake volume

B. Reduces the engine's air intake noise

C. Prevents rain water from entering the engine

D. Prevents dust and other foreign matter from entering the engine

What is the correct answer?

4

The specific gravity of Diesel is about

A. 0.65

B. 0.75

C. 0.85

D. 0.95

What is the correct answer?

4

The painting of automobiles is done to

A. Prevent rust from growing on the body

B. Improve its external appearance

C. Retain the characteristics of steel for long

D. All of these

What is the correct answer?

4

When the battery is half (50%) charged, the specific gravity of acid in a battery is usually

A. 0.74

B. 1.00

C. 1.12

D. 1.19

What is the correct answer?

4

The function of oil control rings is that it

A. Lubricates the cylinder wall by releasing oil from its hole

B. Keeps the cylinder wall lubricated by holding oil in its channel

C. Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan

D. Maintains a seal and prevents escape of burned gases and oil leakage