Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Lowers the boiling point of a liquid Reduces its volume Raises the boiling point of a liquid Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume Raises the boiling point of a liquid Does not affects the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Increases Remains the same Is unpredictable Decreases Increases Remains the same Is unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Correct fuel air ratio Proper ignition temperature All the three above O₂ to support combustion Correct fuel air ratio Proper ignition temperature All the three above O₂ to support combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 1 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² 273 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
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