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Current Affairs January 2024

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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

Correct Answer :

B. 4-speed gear box


Related Questions

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4

Bead wires are made of

A. Steel

B. Copper

C. Zinc

D. Aluminium

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4

The major purpose of an electronically controlled automatic transmission is that this type of transmission

A. Eliminates gear clutches

B. Eliminates the gear shaft lever

C. Reduces the number of automatic transmission components

D. Reduces shift shock and achieves more efficient transmission of engine torque

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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

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4

The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is

A. Brake pedal, master cylinder, brake lines, vacuum servo mechanism, brake pads

B. Brake pedal, vacuum servo mechanism, master cylinder, brake lines, brake pads

C. Brake pedal, master cylinder, vacuum servo mechanism, brake lines, brake pads

D. Brake pedal, brake lines, vacuum servo mechanism, master cylinder, brake pads

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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

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4

The main cause for the change in engine oil viscosity is

A. Humidity

B. Temperature

C. Vibration

D. Contamination

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4

If a tyre is designated as 175/65 R-14 82-S, then the aspect ratio for the tyre is

A. 175

B. 65

C. 14

D. 82

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4

The component in the radiator of an automobile that increases the boiling point of water is

A. Drain plug

B. Water jacket

C. Vacuum valve

D. Pressure cap

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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

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4

Damper in an automobile is used to

A. Absorb the energy

B. Dissipate the energy

C. Release the energy

D. Increase the energy

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4

Which of the following is not an automobile?

A. Motor cycle

B. Passenger car

C. Aeroplane

D. Truck

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4

In a square type engine

A. Geometrical shape is square

B. Diameter and length of piston are same

C. Two cylinders are placed horizontal and two vertical

D. Stroke length and cylinder bore are same

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4

The main function of a master cylinder is to

A. Adjust the extent of brake pedal free play

B. Boost the force applied to brake pedal

C. Convert brake pedal force into hydraulic pressure

D. Ensure that all the wheel brakes are supplied with the same amount of fluid pressure

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4

The seat belt tensioners are built in the

A. Front seats

B. Shoulder anchors

C. Seat belt retractors

D. Seat belt buckles

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4

The advantage of the fuel injection system over the carburettor system is

A. Improved fuel efficiency

B. Improved emission

C. Improved power output

D. All of these

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4

The rigid suspension is beneficial when

A. It is desired to reduce the unsprung mass

B. It is desired to have more flexibility in design

C. It is desired to improve tyre to ground contact characteristics

D. Large changes in load make it necessary to have a large suspension stroke

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4

The specific gravity of Diesel is about

A. 0.65

B. 0.75

C. 0.85

D. 0.95

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4

The tyre rotation is generally done at

A. 1000 km

B. 4000 km

C. 6000 km

D. 10000 km

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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

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

The temperature indicating instrument in vehicles indicates the temperature of

A. Engine piston

B. Engine cylinder

C. Lubricating oil

D. Jacket cooling water

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4

The rolling resistance is because of the friction between the

A. Wheel rim and tyre

B. Tyre and the road surface

C. Wheel rim and road surface

D. None of these

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4

Which of the following indicates multigrade oil?

A. SAE 30

B. API SF

C. SAE 20 W50

D. API 50

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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

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4

Which of the following is not a part of the chassis?

A. Wheels

B. Front axle

C. Steering system

D. Seats

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4

The caster is called positive when the top of the king pin is inclined to the

A. Rear of the vehicle

B. Front of the vehicle

C. Left of the vehicle

D. Right of the vehicle

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4

The purpose of transmission in an automobile is

A. To vary the speed of automobile

B. To vary the torque at the wheels

C. To vary the power of automobile

D. None of these

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4

The condition that results in large quantities of CO emission is

A. Insufficient air during combustion

B. Insufficient fuel during combustion

C. Low temperature combustion

D. High temperature combustion

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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

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4

The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called

A. Camber

B. Caster

C. Toe in

D. Toe out