Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Less than the velocity of sound None of these More than the velocity of sound Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound Equal to the velocity of sound 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 Increases Remains same Decreases None of the listed here Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.582 0.601 0.577 0.546 0.582 0.601 0.577 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called Evaporative capacity of a boiler None of these Boiler efficiency Equivalent evaporation from and at 100° C Evaporative capacity of a boiler None of these Boiler efficiency Equivalent evaporation from and at 100° C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve at superheater as compared to drum safety valve setting is set at Higher value Same value Lower value Any value Higher value Same value Lower value Any value ANSWER DOWNLOAD EXAMIANS APP
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