Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 17 kg/cm² 100 kg/cm² 1 kg/cm 6 kg/cm 17 kg/cm² 100 kg/cm² 1 kg/cm 6 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 2 to 4.5 m 7 to 9 m 3 to 5 m 5 to 7.5 m 2 to 4.5 m 7 to 9 m 3 to 5 m 5 to 7.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Minimum Zero Maximum Depends on temperature also Minimum Zero Maximum Depends on temperature also ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 640/3 m/s 320/3 m/s 640 m/s 160/3 m/s 640/3 m/s 320/3 m/s 640 m/s 160/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 90-95% 78-81% 85-90% 81-85% 90-95% 78-81% 85-90% 81-85% ANSWER DOWNLOAD EXAMIANS APP
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 and frictionless Blades are equiangular Blade solidity is 0.65 Blade velocity coefficient is unity Blades are equiangular and frictionless Blades are equiangular Blade solidity is 0.65 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS