Related Questions

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 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 ratio of the isentropic heat drop to the heat supplied, is called
A Reheat factor
B Stage efficiency
C Internal efficiency
D Rankine efficiency
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
Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because
A Convection becomes important
B Conduction becomes important
C Radiation becomes important
D Sub-cooled boiling occurs
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
Isentropic process means a constant __________ process.
A Enthalpy
B Pressure
C Entropy
D None of these

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