Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Reduces its volume Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Specific volume of steam Dryness fraction of steam Velocity of steam All of these Specific volume of steam Dryness fraction of steam Velocity of steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by The draft to be created Control of pollution Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution Limitation of construction facilities Quantity of flue gases to be handled ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become Wet Dry Superheated Remain dry saturated Wet Dry Superheated Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Super heated steam Dry steam Wet steam Water Super heated steam Dry steam Wet steam Water ANSWER DOWNLOAD EXAMIANS APP
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