Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Clearance ratio Cut-off ratio Expansion ratio None of these Clearance ratio Cut-off ratio Expansion ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is Equal More Less Could be more or less depending on the size of plant Equal More Less Could be more or less depending on the size of plant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? It is the best technique for burning high ash content fuel having low fusion ash Heat release can be easily controlled High burning rate is possible Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash Heat release can be easily controlled High burning rate is possible Fuel burns economically ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 302 kW 260 kW 282 kW 296 kW 302 kW 260 kW 282 kW 296 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Because sputtering, possibly extinguishing flame Clean the nozzles Keep the burner tips cool Aid in proper combustion Because sputtering, possibly extinguishing flame Clean the nozzles Keep the burner tips cool Aid in proper combustion ANSWER DOWNLOAD EXAMIANS APP
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