Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

September 2022

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

Automobile Engineering, Mechanical Engineering /
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.

Automobile Engineering, Mechanical Engineering /
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.

Automobile Engineering, Mechanical Engineering /
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

Automobile Engineering, Mechanical Engineering /
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

Electronics And Communication Engineering, Networks Analysis And Synthesis /
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

Automobile Engineering, Mechanical Engineering /
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

The auto ignition in a spark ignition engine means

Automobile Engineering, Mechanical Engineering /
Question: The auto ignition in a spark ignition engine means
[A].

automatic ignition of the charge at the end of compression

[B].

ignition induced by the passage of a spark

[C].

ignition of the charge before the passage of flame front

[D].

ignition induced to supplement the process of normal combustion

Answer: Option C

Explanation:

No answer description available for this question.

The auto ignition in a spark ignition engine means Read More »

Automobile Engineering, Mechanical Engineering