Steam Boilers, Engines, Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Blade velocity coefficient is unity
Blades are equiangular
Blades are equiangular and frictionless
Blade solidity is 0.65

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The equivalent evaporation of a boiler is a measure to compare

The given boiler with the model
Two different makes of boilers operating under the same operating conditions
Any type of boilers operating under any conditions
The two different boilers of the same make

ANSWER DOWNLOAD EXAMIANS APP