Related Questions

The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
A 0.4
B 0.56
C 0.67
D 1.67
Isentropic process means a constant __________ process.
A Enthalpy
B Pressure
C Entropy
D None of these
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
A Otto cycle
B Stirling cycle
C Carnot cycle
D Diesel cycle
A cycle consisting of two constant pressure and two isentropic processes is known as
A Carnot cycle
B Stirling cycle
C Otto cycle
D None of these
An isentropic process is the one, in which
A pv = constant
B pvr = constant
C pvr = constant, and process is reversible
D None of these
The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the
A Adiabatic temperature drop in the stage
B Total temperature drop
C Total temperature drop in the stage
D Total adiabatic temperature drop
The ratio of isentropic work to Euler work is known as
A Pressure coefficient
B Work coefficient
C Polytropic reaction
D Slip factor
The ratio of isentropic work to Euler’s work is known as
A Compressor efficiency
B Isentropic efficiency
C Euler
D Pressure coefficient
The ratio of the useful heat drop to the isentropic heat drop is called
A Condenser efficiency
B Nozzle efficiency
C Boiler efficiency
D Vacuum efficiency
The isentropic expansion of steam through nozzle for the steam initially superheated at inlet is approximated by equation
A pvls=C
B pv1126 = C
C pv1A = C
D pv = C

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