Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is All of these To determine the thermal efficiency of the boiler when working at a definite pressure To determine the generating capacity of the boiler To prepare heat balance sheet for the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To determine the generating capacity of the boiler To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? None of the listed here Non-coking bituminous coal Brown coal Peat None of the listed here Non-coking bituminous coal Brown coal Peat ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.528 0.577 0.546 0.582 0.528 0.577 0.546 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 3600 kW/sec 1000 J 3600 kJ 360 kJ 3600 kW/sec 1000 J 3600 kJ 360 kJ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam Velocity of steam Specific volume of steam All of these Dryness fraction of steam Velocity of steam Specific volume of steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Form lumps or masses of coke Show little or no fusing action Burn completely Burn freely Form lumps or masses of coke Show little or no fusing action Burn completely Burn freely ANSWER DOWNLOAD EXAMIANS APP
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