Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Equal to Greater than None of these Less than Equal to Greater than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as Steam pressure produced kg of steam produced kg of fuel fired kg of steam produced per kg of fuel fifed Steam pressure produced kg of steam produced kg of fuel fired kg of steam produced per kg of fuel fifed ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.546 0.601 0.577 0.582 0.546 0.601 0.577 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 1 to 15 MN/m² 0.5 to 10 MN/m² 2.5 to 15 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 0.5 to 10 MN/m² 2.5 to 15 MN/m² 3.5 to 20 MN/m² 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 None of these (h - hf1)/2257 (h + hf1)/2257 (h × hf1)/2257 None of these (h - hf1)/2257 (h + hf1)/2257 (h × hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
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