Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. None of these Decreases Has no effect on Increases None of these Decreases Has no effect on Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Dry steam Wet steam Super heated steam Water Dry steam Wet steam Super heated steam Water 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 Lower value Higher value Same value Any value Lower value Higher value Same value Any value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler efficiency Factor of evaporation Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation Boiler effectiveness Boiler evaporative capacity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α tan²α cot²α sin²α cos²α tan²α cot²α sin²α ANSWER DOWNLOAD EXAMIANS APP
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