Exercise: Ic Engines And Nuclear Power Plants

Questions for: Ic Engines And Nuclear Power Plants

The purpose of testing an internal combustion engine is
A:
to determine the information, which can not be obtained by calculations
B:
to conform the data used in design, the validity of which may be doubtful
C:
to satisfy the customer regarding the performance of the engine
D:
all of the above
Answer: D
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The effective inhibitor of pre-ignition is
A:
alcohol
B:
water
C:
lead
D:
none of these
Answer: B
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The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the
A:
jet area is automatically varied depending on the suction
B:
the flow from the main jet is diverted to the compensating jet with increase in speed
C:
the diameter of the jet is constant and the discharge coefficient is invariant
D:
flow is produced due to the static head in the float chamber
Answer: D
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Ordinary water is sometimes used as moderator when enriched uranium is used as a fuel in nuclear power plants.
A:
Yes
B:
No
C:
D:
Answer: A
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In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will __________ the knocking tendency.
A:
not effect
B:
decrease
C:
increase
D:
Answer: C
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