Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Straight inclined line Vertical straight line Horizontal straight line Curved line Straight inclined line Vertical straight line Horizontal straight line Curved line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to decrease the wetness of steam Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to increase the wetness of steam Increase the exit temperature without any effect on mass flow rate Decrease the mass flow rate and to decrease the wetness of steam Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to increase the wetness of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Nozzle efficiency Boiler efficiency Vacuum efficiency Condenser efficiency Nozzle efficiency Boiler efficiency Vacuum efficiency Condenser efficiency 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 The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these A steam turbine develops higher speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of maintaining the speed of the turbine constant for various load conditions, is known as Reheating Bleeding None of these Governing Reheating Bleeding None of these Governing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS