Q. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency)

View solution

Q. The critical pressure ratio for initially dry saturated steam is more as compared to initially wet steam.

View solution

Q. In a convergent divergent nozzle, the discharge depends upon the initial conditions of steam and the area of nozzle at throat.

View solution

Q. Parson's reaction turbine is a __________ reaction turbine.

View solution

Q. The turbine blades are

View solution

Q. 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

View solution

Q. The impulse reaction turbine has its driving force

View solution

Q. The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity (V) at inlet)

View solution

Q. A regenerative steam cycle renders

View solution

Q. De-Laval turbine is a

View solution

Q. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be

View solution

Q. The ratio of the workdone on the blades to the energy supplied to the blades, is called

View solution

Q. The discharge is __________ at critical pressure.

View solution

Q. The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

View solution

Q. The steam leaves the nozzle at a

View solution

Q. The variation of steam pressure in the nozzle depends upon

View solution

Q. Steam turbines are used for

View solution

Q. Parson's turbine is a

View solution

Q. The value of the reheat factor varies from

View solution

Q. The steam enters the nozzle at a

View solution