Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound 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 Dry Remain dry saturated Superheated Wet Dry Remain dry saturated Superheated Wet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 200 bar 250 bar 100 bar 150 bar 200 bar 250 bar 100 bar 150 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Chances of explosion are less in former case Rate of steam flow is more in former case Former is used for high installed capacity Former occupies less space for same power Chances of explosion are less in former case Rate of steam flow is more in former case Former is used for high installed capacity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.582 0.601 0.577 0.546 0.582 0.601 0.577 0.546 ANSWER DOWNLOAD EXAMIANS APP
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