Exercise: Ic Engines And Nuclear Power Plants

Questions for: Ic Engines And Nuclear Power Plants

The ratio of the heat equivalent to one kW hour to the heat in fuel per B.P. hour is termed as brake thermal efficiency.
A:
Yes
B:
No
C:
D:
Answer: A
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Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.
A:
True
B:
False
C:
D:
Answer: A
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The delay period in compression ignition engines depends upon
A:
temperature and pressure in the cylinder at the time of injection
B:
nature of the fuel mixture strength
C:
relative velocity between the fuel injection and air turbulence pressure of residual gases
D:
all of the above
Answer: D
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A two stroke cycle engine gives __________ mechanical efficiency than a four stroke cycle engine.
A:
higher
B:
lower
C:
D:
Answer: A
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The nuclear radiators produced in a reactor which must be sheilded are
A:
electrons
B:
α, β and γ rays
C:
neutron and gamma rays
D:
none of these
Answer: C
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