Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.3 0.5 0.8 0.1 0.3 0.5 0.8 0.1 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power supplied by the engine crankshaft is called Frictional power Indicated power None of these Brake power Frictional power Indicated power None of these Brake power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.546 0.577 0.601 0.582 0.546 0.577 0.601 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop Reheat the steam and improve its quality Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop Reheat the steam and improve its quality ANSWER DOWNLOAD EXAMIANS APP
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