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Current Affairs January 2024

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4

The three basic cylinder arrangements for automotive engines are

A. Flat, radial, and V

B. In a row, in line, and opposed

C. In line, V, and opposed

D. V, double row, and opposed

Correct Answer :

C. In line, V, and opposed


Related Questions

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The purpose of adding pigment to the paint is that it

A. Optimises the viscosity of paint

B. Makes paint film hard

C. Gives colour and filling up effect to the paint

D. None of the above

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4

Two general types of tyres are

A. Tube type and tubeless

B. Solid and tubeless

C. Air and pneumatic

D. Split rim and drop centre

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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

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4

The gear shift lever requires two separate motions to shift gears, and the first movement

A. Moves the synchronizer

B. Selects the synchronizer

C. Meshes the gears

D. Operates the clutch

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When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate

A. Brake power

B. Compression ratio

C. Specific air consumption

D. Mean effective pressure

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4

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

A. 2

B. 4

C. 6

D. 8

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4

The starter motor is driven by

A. Chain drive

B. Gear drive

C. Flat belt drive

D. V-belt drive

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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

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

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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

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4

The fuel that detonates easily, is

A. N-heptane

B. Iso-octane

C. Benzene

D. Alcohol

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4

The characteristic that is enhanced by the honing of cylinder sleeves inner surface is

A. Cooling efficiency

B. Resistance to wear

C. Lubrication performance

D. None of these

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4

The starting system includes

A. A battery, a starter, and an ignition switch

B. A battery, a distributor, and an ignition switch

C. A battery, a starter, and a distributor

D. A distributor, a starter, and an ignition switch

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4

The included angle is the sum of the

A. Camber and castor

B. Castor and S.A.I.

C. Camber and S.A.I.

D. Camber and toe in

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4

The indicated power of a four stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m², L = Length of stroke in metres, A = Cross-sectional area of the piston in m², and N = Speed of the engine in revolutions per second (r.p.s)

A. P.L.A.N/2

B. P.L.A.N

C. 2 × P.L.A.N

D. P.L.A.N/4

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4

The correct way to rectify an imbalanced wheel is to

A. Adjust the tyre pressure

B. Rotate the tyres

C. Adjust the damper spring tension

D. Attach appropriate weights to the wheel at appropriate positions

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4

An engine has a clearance volume of 100 cm³ and a swept volume of 800 cm³. The compression ratio is

A. 7 : 1

B. 8 : 1

C. 9 : 1

D. 10 : 1

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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

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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

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4

The instrument used to check specific gravity of acid in a battery is

A. Hydrometer

B. Hygrometer

C. Anemometer

D. Multimeter

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4

The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of

A. Section width to section height

B. Section height to section width

C. Wheel diameter to section height

D. Wheel diameter to section width

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4

A laminated glass upon cracking

A. Bursts into sharp edged fragments

B. Bursts into granular pieces

C. Sandwiched layer traps the fragments

D. Breaks into the form of crystals

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4

The reconditioning process used to give cylinder bore surfaces a crosshatch pattern, is known as

A. Honing

B. Porous plating

C. Boring

D. Shot peening

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4

The ball joints are used on the tie rod ends, because they

A. Reduce the amount of noise generated

B. Reduce the amount of sliding resistance

C. Can deal with movement of the suspension both vertically and in other directions

D. Improve the force transmission speed

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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

An underinflated tyre will wear the tread most

A. Near the centre

B. Near the edges

C. In the lateral direction

D. In the cross direction

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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 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

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4

Vulcanizing means

A. Heating rubber under pressure

B. Spraying with special paint

C. Melting rubber while stirring it

D. None of these

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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