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Current Affairs January 2024

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4

The lubrication oil flow in an engine is in the order as

A. Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan

B. Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan

C. Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan

D. Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan

Correct Answer :

A. Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan


Related Questions

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4

A three way catalytic converter

A. Re-circulates exhaust gases

B. Burns fuel vapour gases

C. Reduces N₂, H₂O, and CO₂ emission levels

D. Removes CO, HC, and NO₂ from the exhaust gasses passing through it

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4

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

A. 1

B. 2

C. 3

D. 4

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4

The fuel pump in the programmed fuel injection (PFI) system is located

A. Between the fuel filler pipe and fuel tank

B. In the fuel tank

C. On the distributor mounting in the engine compartment

D. On the engine compartment bulkhead

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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

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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 compression ratio in petrol engine is kept less than in Diesel engine because

A. It makes petrol engines lighter

B. Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition

C. Less compression ratio gives better performance

D. It is just customary to have less compression ratio in petrol engines

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4

The compression ratio for Diesel engines usually lies in the range of

A. 6-10

B. 10-1

C. 15-25

D. 25-40

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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

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4

In a forced feed lubrication system, the device used to guard against excessive oil pressure, is known as

A. Release chamber

B. Balancer

C. Relief valve

D. Stop valve

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4

The firing order for an opposed four cylinder l.C. engine is

A. 1-2-3-4

B. 1-3-4-2

C. 1-4-3-2

D. 1-3-2-4

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4

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

A. Air and fuel

B. Only fuel

C. Only air

D. None of these

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4

Caster is a

A. Forward tilt of the kingpin

B. Backward tilt of the kingpin

C. Either 'A' or 'B'

D. None of these

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4

The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

A. Enable the pump's fault diagnosis function to operate

B. Warm up and lubricate the pump

C. Supplies a large amount of fuel and thereby creates a choke effect

D. Pressurise the fuel system before the engine is started

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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 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 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

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4

The combustion process in a Diesel engine is a

A. Constant volume process

B. Constant pressure process

C. Constant temperature process

D. Adiabatic process

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4

The torque converter uses ________ to transfer torque.

A. Air

B. Automatic transmission fluid (ATF)

C. Gears

D. Steel belt

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4

During braking, the brake shoe is moved outward to force the lining against the

A. Wheel piston or cylinder

B. Anchor pin

C. Brake drum

D. Wheel rim or axle

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4

The composition of the electrolyte in a fully charged battery is that

A. The electrolyte is pure distilled water

B. The electrolyte is pure sulphuric acid

C. The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight

D. The electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight

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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 ignition in a spark ignition engine takes place when the piston is

A. Exactly at the T.D.C. position on its compression stroke

B. Approaching the T.D.C. position on its compression stroke

C. Leaving the T.D.C. position on its compression stroke

D. Approaching the T.D.C position on its exhaust stroke

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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

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

When the top of the wheel is tilted outward, then it is called

A. Positive camber

B. Negative camber

C. Positive caster

D. Negative caster

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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

A maintenance free battery

A. Has lead-antimony plate grid

B. Has lead-calcium plate grid

C. Does not contain acid

D. Does not contain water

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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

The operation of removing trapped air from the hydraulic braking system is known as

A. Trapping

B. Tapping

C. Bleeding

D. Cleaning

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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