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In a petrol engine, the mixture has the lowest pressure at the

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a petrol engine, the mixture has the lowest pressure at the
[A].

beginning of suction stroke

[B].

end of suction stroke

[C].

end of compression stroke

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

In a petrol engine, the mixture has the lowest pressure at the Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

Which of the following statement is correct regarding petrol engines?

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: Which of the following statement is correct regarding petrol engines?
[A].

A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure.

[B].

The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.

[C].

The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition.

[D].

all of the above

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following statement is correct regarding petrol engines? Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet valve and exit valve) are closed,

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet valve and exit valve) are closed,
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet valve and exit valve) are closed, Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a
[A].

fuel pump

[B].

fuel injector

[C].

spark plug

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre.

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre. Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the
[A].

beginning of suction stroke

[B].

end of suction stroke

[C].

beginning of exhaust stroke

[D].

end of exhaust stroke

Answer: Option A

Explanation:

No answer description available for this question.

In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

In a four stroke cycle petrol engine, the expansion

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a four stroke cycle petrol engine, the expansion
[A].

starts at top dead centre and ends at bottom dead centre

[B].

starts at 30° before top dead centre and ends at 50° before bottom dead centre

[C].

starts at 30° after top dead centre and ends at 50° after bottom dead centre

[D].

may start and end anywhere

Answer: Option B

Explanation:

No answer description available for this question.

In a four stroke cycle petrol engine, the expansion Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering

In a four stroke cycle petrol engine, the charge is ignited at

Ic Engines And Nuclear Power Plants, Mechanical Engineering /
Question: In a four stroke cycle petrol engine, the charge is ignited at
[A].

30° before top dead centre

[B].

30° after top dead centre

[C].

30° before bottom dead centre

[D].

30° after bottom dead centre

Answer: Option A

Explanation:

No answer description available for this question.

In a four stroke cycle petrol engine, the charge is ignited at Read More »

Ic Engines And Nuclear Power Plants, Mechanical Engineering