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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 2
6.
Maximum work is saved in a two stage reciprocating air compressor with incomplete intercooling.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The mass of gas turbine per kW developed is about __________ as that of an I.C. engine.
same
one-half
one-fourth
one-sixth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In a centrifugal compressor, the ratio of the __________ to the blade velocity is called slip factor.
inlet whirl velocity
outlet whirl velocity
inlet velocity of flow
outlet velocity of flow
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in
exit nozzle, which is a constant volume process
exit nozzle, which is essentially an isentropic process
turbine blades, which is a constant volume process
turbine blades, which is essentially an isentropic process
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The air is delivered __________ in one revolution in case of a three-lobbed rotor.
two times
three times
four times
six times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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