Question: Alpha-methyl-naphthalene (C11 H10) has a cetane number of
[A].0
50
100
120
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Mechanical Engineering
Iso-octane (C8H18) has octane number of
Question: Iso-octane (C8H18) has octane number of
[A].0
50
100
120
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A higher compression ratio causes
Question: A higher compression ratio causes
[A].pre-ignition
increase in detonation
an acceleration in the rate of combustion
any one of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
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
low temperature
long ignition delay
all of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this 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.
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
Incorrect
[A].
[B].
Answer: Option B
Explanation:
No answer description available for this question.
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
No
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
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
injector
governor
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.
Question: Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.
[A].True
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
A diesel engine is __________ as compared to petrol engine, both running at rated load.
Question: A diesel engine is __________ as compared to petrol engine, both running at rated load.
[A].equally efficient
less efficient
more efficient
[A].
[B].
[C].
Answer: Option C
Explanation:
No answer description available for this question.