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The anti-knock property of compression ignition engine fuel can be improved by adding

Question: The anti-knock property of compression ignition engine fuel can be improved by adding
[A].

tetraethyl lead

[B].

trimethyl pentane

[C].

amyl nitrate

[D].

hexadecane

Answer: Option C

Explanation:

No answer description available for this question.

The anti-knock property of compression ignition engine fuel can be improved by adding Read More »

Automobile Engineering, Mechanical Engineering

If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft.

Question: If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft. Read More »

Automobile Engineering, Mechanical Engineering

In a fuel injection system, the electronic control module (ECM) calculates the optimum fuel-injection volume for the engine condition based on the data received from the sensors, and injects this volume of fuel into the intake manifold at the optimum timing.

Question: In a fuel injection system, the electronic control module (ECM) calculates the optimum fuel-injection volume for the engine condition based on the data received from the sensors, and injects this volume of fuel into the intake manifold at the optimum timing.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

In a fuel injection system, the electronic control module (ECM) calculates the optimum fuel-injection volume for the engine condition based on the data received from the sensors, and injects this volume of fuel into the intake manifold at the optimum timing. Read More »

Automobile Engineering, Mechanical Engineering

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

Question: The advantage of the fuel injection system over the carburetor system is
[A].

improved fuel efficiency

[B].

improved emission

[C].

improved power output

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

The advantage of the fuel injection system over the carburetor system is Read More »

Automobile Engineering, Mechanical Engineering

A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance

Question: A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
[A].

increases

[B].

decreases

[C].

remains constant

[D].

may increases or decreases

Answer: Option A

Explanation:

Dynamic resistance = and increases as C is decreased.

A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance Read More »

Electronics And Communication Engineering, Networks Analysis And Synthesis

It is necessary to maintain the valve clearances as they

Question: It is necessary to maintain the valve clearances as they
[A].

reduce the resistance to sliding that occurs between the cam and the tappet

[B].

allow for lengthening of the valves owing to the heat of combustion

[C].

increase the speed at which the valves move up and down

[D].

make the crankshaft turn smoothly

Answer: Option B

Explanation:

No answer description available for this question.

It is necessary to maintain the valve clearances as they Read More »

Automobile Engineering, Mechanical Engineering