Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fusible plug in small boilers is located Above steam dome Over the combustion chamber In the fire tubes In the drum Above steam dome Over the combustion chamber In the fire tubes In the drum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? The efficiency of steam turbine is higher All of these The steam consumption is less A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less A steam turbine develops higher speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Pulverized fuel fired boiler Cochran boiler Lancashire boiler Babcock and Wilcox boiler Pulverized fuel fired boiler Cochran boiler Lancashire boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Decrease the mass flow rate and to increase the wetness of steam Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to increase the wetness of steam Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature ANSWER DOWNLOAD EXAMIANS APP