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Mechanical Engineering - IC Engines and Nuclear Power Plants

Exercise : IC Engines and Nuclear Power Plants - Section 5
21.
A diesel engine has inlet valve, fuel injection valve and exhaust valve.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
In a four stroke cycle diesel engine, the compression
starts at 40° after bottom dead centre and ends at 10° before top dead centre
starts at 40° before top dead centre and ends at 40° after top dead centre
starts at top dead centre and ends at 40° before bottom dead centre
may start and end anywhere
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In a four stroke cycle diesel engine, the inlet valve
opens at 20° before top dead centre and closes at 40° after bottom dead centre
opens at 20° after top dead centre and closes at 20° before bottom dead centre
opens at top dead centre and closes at bottom dead centre
may open and close anywhere
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The knocking in diesel engines may be prevented by
reducing the delay period
raising the compression ratio
increasing the inlet pressure of air
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as
detonation
turbulence
pre-ignition
supercharging
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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