Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum strength Withstand pressure inside boiler Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler Resist intense heat in fire box Give maximum space ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare The given boiler with the model Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions The given boiler with the model Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions 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 (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Increases Decreases Behaves unpredictably Remain same Increases Decreases Behaves unpredictably ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hygrometry deals with the Temperature of air Water vapor in air Hygroscopic substances Pressure of air Temperature of air Water vapor in air Hygroscopic substances Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. Less More None of these Equal Less More None of these Equal ANSWER DOWNLOAD EXAMIANS APP