Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Increase the mass flow rate and to increase the exit temperature Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam Increase the mass flow rate and to increase the exit temperature Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to decrease the wetness of steam Decrease the mass flow rate and to increase the wetness of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Flat characteristic Rising characteristic Linear characteristic Drooping characteristic Flat characteristic Rising characteristic Linear characteristic Drooping characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) None of these To give maximum space and strength To withstand the pressure of steam inside the boiler Both (A) and (B) None of these To give maximum space and strength To withstand the pressure of steam inside the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Between the economiser and chimney None of these Before the superheater Before the economiser Between the economiser and chimney None of these Before the superheater Before the economiser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor is the ratio of the Isentropic heat drop to the heat supplied Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop None of these Isentropic heat drop to the heat supplied Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop None of these ANSWER DOWNLOAD EXAMIANS APP
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