Ic Engines And Nuclear Power Plants

Ic Engines And Nuclear Power Plants | Mechanical Engineering

In petrol engines, using a fixed octane rating fuel, the increase in engine speed will decrease the knocking tendency.

Question: In petrol engines, using a fixed octane rating fuel, the increase in engine speed will decrease the knocking tendency.
[A].
Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More In petrol engines, using a fixed octane rating fuel, the increase in engine speed will decrease the knocking tendency.
Ic Engines And Nuclear Power Plants | Mechanical Engineering

A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

Question: A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of
[A].
75% iso-octane and 25% normal heptane
[B].
75% normal heptane and 25% iso-octane
[C].
75% petrol and 25% diesel
[D].
75% diesel and 25% petrol

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of
Ic Engines And Nuclear Power Plants | Mechanical Engineering

Alpha-methyl-naphthalene (C11 H10) has a cetane number of

Question: Alpha-methyl-naphthalene (C11 H10) has a cetane number of
[A].
0
[B].
50
[C].
100
[D].
120

Answer: Option A

Explanation:

No answer description available for this question.

Read More Alpha-methyl-naphthalene (C11 H10) has a cetane number of
Ic Engines And Nuclear Power Plants | Mechanical Engineering

Iso-octane (C8H18) has octane number of

Question: Iso-octane (C8H18) has octane number of
[A].
0
[B].
50
[C].
100
[D].
120

Answer: Option C

Explanation:

No answer description available for this question.

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Ic Engines And Nuclear Power Plants | Mechanical Engineering

A higher compression ratio causes

Question: A higher compression ratio causes
[A].
pre-ignition
[B].
increase in detonation
[C].
an acceleration in the rate of combustion
[D].
any one of these

Answer: Option D

Explanation:

No answer description available for this question.

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Ic Engines And Nuclear Power Plants | Mechanical Engineering

A fuel will detonate less if it has higher self ignition temperature.

Question: A fuel will detonate less if it has higher self ignition temperature.
[A].
True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fuel will detonate less if it has higher self ignition temperature.
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have

Question: In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
[A].
low density
[B].
low temperature
[C].
long ignition delay
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.

Question: In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.
[A].
Correct
[B].
Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Read More In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.

Question: In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.
[A].
Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

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Ic Engines And Nuclear Power Plants | Mechanical Engineering

The air-fuel ratio of the petrol engine is controlled by

Question: The air-fuel ratio of the petrol engine is controlled by
[A].
carburettor
[B].
injector
[C].
governor
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More The air-fuel ratio of the petrol engine is controlled by