Exercise: Ic Engines And Nuclear Power Plants

Questions for: Ic Engines And Nuclear Power Plants

The expansion of fuel in a four stroke cycle diesel engine
A:
starts at 15° before top dead centre and ends at 30° after top dead centre
B:
starts at top dead centre and ends at 30° after top dead centre
C:
starts at 15° after top dead centre and ends at 30° before bottom dead centre
D:
may start and end anywhere
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Pre-ignition is caused by the spontantaneous combustion of the mixture before the end of the compression stroke, and is due to
A:
cylinder walls being too hot
B:
overheated spark plug points
C:
red hot carbon deposits on cylinder walls
D:
any one of these
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.
A:
Agree
B:
Disagree
C:
D:
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The brake power of a diesel engine, keeping other parameters constant, can be increased by
A:
decreasing the density of intake air
B:
increasing the temperature of intake air
C:
increasing the pressure of intake air
D:
decreasing the pressure of intake air
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The predominent isotope of the naturally occuring element is
A:
U235
B:
U238
C:
Pu233
D:
Pu239
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz