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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 1
46.
The increase in pressure in a roots blower is entirely due to back flow of air.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The type of rotary compressor used in aeroplanes, is of
centrifugal type
axial flow type
radial flow type
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
An axial compressor gives optimum performance at high speeds and large volume flows.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
In a reciprocating air compressor, the compression work per kg of air
increases as clearance volume increases
decreases as clearance volume increases
is independent of clearance volume
increases as clearance volume decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the
rotor to static enthalpy rise in the stator
stator to static enthalpy rise in the rotor
rotor to static enthalpy rise in the stage
stator to static enthalpy rise in the stage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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