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
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon All of these The power required and working pressure The fuel and water available The geographical position of the power house All of these The power required and working pressure The fuel and water available The geographical position of the power house ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are None of these High Moderate Low None of these High Moderate Low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 100 tonnes/h 135 tonnes/h 250 tonnes/h 175 tonnes/h 100 tonnes/h 135 tonnes/h 250 tonnes/h 175 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
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