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
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
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where, T = absolute temperature )
A $$\frac{1}{{\sqrt {\text{T}} }}$$
B $$\frac{1}{{\text{T}}}$$
C $$\sqrt {\text{T}} $$
D T
In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas)
A $$\frac{1}{{\sqrt {\text{M}} }}$$
B $$\sqrt {\text{M}} $$
C $$\frac{1}{{\text{M}}}$$
D M
Isentropic nozzle flow states about the movement of a gas or fluid through a narrow surface without an increase or decrease in-
A Pressure
B Energy
C Displacement
D Entropy
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
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.
A pv = C
B pv1A = C
C pv1i = C
D pv

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