Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 225 115 75 165 225 115 75 165 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 Blade solidity is 0.65 Blades are equiangular Blades are equiangular and frictionless Blade velocity coefficient is unity Blade solidity is 0.65 Blades are equiangular Blades are equiangular and frictionless ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. Equal Less More None of these Equal Less More None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust Maintain the speed of the turbine Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust Maintain the speed of the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be None of these Choked Under-damping Over-damping None of these Choked Under-damping Over-damping ANSWER DOWNLOAD EXAMIANS APP