Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Stage efficiency None of these Internal efficiency Rankine efficiency Stage efficiency None of these Internal efficiency 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
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks 0° to each other 180° to each other None of these 90° to each other 0° to each other 180° to each other None of these 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught in locomotive boilers is produced by a Chimney Steam jet None of these Centrifugal fan Chimney Steam jet None of these Centrifugal fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler ANSWER DOWNLOAD EXAMIANS APP
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