Steam Boilers, Engines, Nozzles and Turbines During polytropic process Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse reaction turbine has its driving force As a reaction force None of the listed here As an impulsive force Partly as an impulsive force and partly as a reaction force As a reaction force None of the listed here As an impulsive force Partly as an impulsive force and partly as a reaction force ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Blow off cock Safety valve Fusible plug Stop valve Blow off cock Safety valve Fusible plug Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating wet steam at constant temperature is heating it at constant Entropy Pressure Enthalpy Volume Entropy Pressure Enthalpy Volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Uneconomical Essential Desirable Economical Uneconomical Essential Desirable ANSWER DOWNLOAD EXAMIANS APP
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