51.
The ratio of isentropic work to Euler work is known as

52.
The ratio of isentropic work to Euler’s work is known as

53.
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.

54.
The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)

56.
The capacity of a compressor is 5 m/min refers to

57.
The thermal efficiency of a gas turbine as compared to a diesel plant is

58.
A jet engine has

59.
Isothermal compression though most efficient, but is not practicable because

60.
The type of rotary compressor used in aeroplanes, is of

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