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Current Affairs January 2024

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4

When turning a corner

A. The front wheels are toeing out

B. The front wheels are turning on different angles

C. The inside front wheels has a greater angle than the outside wheel

D. All of the above

Correct Answer :

D. All of the above


Related Questions

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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

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4

The calorific value of Diesel is about

A. 36.5 MJ/kg

B. 38.5 MJ/kg

C. 42.5 MJ/kg

D. 45.5 MJ/kg

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4

Which one of the following statements correctly describes the construction of a planetary gear type differential?

A. The six planetary pinions rotate in constant mesh with the internal gears.

B. One drive shaft is splined to the central gear and the other to the planetary gear.

C. Each planetary pinion gear meshes with both the central gear and the internal gear.

D. The internal gear is fixed to the planetary gear.

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4

In Diesel engines, the duration between the time of injection and the time of ignition is called

A. Spill cut-off

B. Delay period

C. Injection period

D. Ignition period

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4

The function of a first compression ring (top ring) is that it

A. Increases the combustion temperature

B. Creates swirl

C. Maintains a seal and prevents the fuel leakage

D. Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber

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4

If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on

A. Too lean mixture

B. Stoichiometric mixture

C. Most economical mixture

D. Too rich mixture

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4

The maximum torque multiplication ratio in a torque converter is about

A. 2.5

B. 10

C. 25

D. 40

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4

The capacity of a battery is usually expressed in terms of

A. Volts

B. Amperes

C. Weight

D. Ampere hours

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4

The torque available at the contact between driving wheels and road is known as

A. Brake effort

B. Tractive effort

C. Clutch effort

D. None of these

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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

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4

The main function of intake manifold is that it

A. Promotes the mixture of air and fuel

B. Reduces intake noise

C. Cools the intake air to a suitable temperature

D. Distributes intake air equally to the cylinders

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4

The characteristic that is enhanced by the use of cylinder sleeves is

A. Cooling efficiency

B. Resistance to wear

C. Lubrication performance

D. None of these

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4

Free pedal play in car clutches is about

A. 15 mm

B. 25 mm

C. 40mm

D. 60 mm

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4

The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as

A. Supercharging

B. Auto ignition

C. Scavenging

D. Detonation

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4

The material generally used for cylinder sleeves is

A. Aluminium

B. Ceramic

C. Cast iron

D. Fibre reinforced plastic

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4

The most commonly used power plant in automobiles is

A. Gas turbine

B. I.C. engine

C. Battery

D. None of these

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4

Which one of the following statement correctly describes the construction of a bevel gear type differential?

A. The drive shafts are splined to the differential carrier.

B. The left side gear and the differential carrier rotate in constant unison.

C. The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.

D. The differential carrier houses differential pinion gears and side gears

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4

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

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4

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

A. Bead

B. Side wall

C. Shoulder

D. Tread

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4

The basic purpose of tyres is to

A. Grip the road and provide good traction

B. Substitute for springs

C. Act as brake

D. None of these

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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)

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4

The octane rating of petrol commercially available is

A. 85-95

B. 95-100

C. 100-110

D. 110-125

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4

The specific gravity of acid in a fully charged battery is generally

A. 1.00

B. 1.28

C. 1.82

D. 2.81

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4

A basic difference between the spark ignition engine and the Diesel engine is that the

A. Diesel engine compresses air alone instead of an air-fuel mixture

B. Air temperature ignites the fuel in the Diesel engine

C. Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke

D. All of the above

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4

The valve overlap in four stroke petrol engines is approximately

A. 30°

B. 60°

C. 90°

D. 120°

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4

The valve tappet clearance is measured by

A. Screw pitch gauge

B. Engineering scale

C. Feeler gauge

D. Vernier caliper

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4

Bead wires are made of

A. Steel

B. Copper

C. Zinc

D. Aluminium

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4

Which of the following bulb in a car will have the least wattage?

A. Head light bulb

B. Stop light bulb

C. Parking light bulb

D. Ignition warning bulb

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4

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

A. 1.6694 N

B. 16.694 N

C. 166.94 N

D. 1669.4 N

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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