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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 2
26.
The temperature of air at the beginning of the compression stroke is __________ the atmospheric temperature.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
In a gas turbine, air is obtained from the atmosphere and compressed in an air compressor.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the
thrust and range of aircraft
efficiency of the engine
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Gas turbine as compared to internal combustion engine
can be driven at a very high speed
produces uniform torque
has more efficiency
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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