Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Constant temperature process Essentially an isentropic process Non-heat transfer process Reversible process Constant temperature process Essentially an isentropic process Non-heat transfer process Reversible process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are Moderate High None of these Low Moderate High None of these Low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Kinetic energy into heat energy of steam Potential energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Kinetic energy into heat energy of steam Potential energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h - hf1)/2257 None of these (h × hf1)/2257 (h + hf1)/2257 (h - hf1)/2257 None of these (h × hf1)/2257 (h + hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Electric power generation All of these Large marine propulsion Direct drive of fans, compressors, pumps Electric power generation All of these Large marine propulsion Direct drive of fans, compressors, pumps 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 m/s 160/3 m/s 640/3 m/s 320/3 m/s 640 m/s 160/3 m/s 640/3 m/s 320/3 m/s ANSWER DOWNLOAD EXAMIANS APP
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