Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 20 to 30% 15 to 20% 30 to 40% 10 to 15% 20 to 30% 15 to 20% 30 to 40% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of shell of a Locomotive boiler is 4 m 1 m 3 m 2 m 4 m 1 m 3 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare The two different boilers of the same make The given boiler with the model Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The two different boilers of the same make The given boiler with the model Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions 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 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 Increase the exit temperature without any effect on mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Diverge from right to left Diverge from left to right Are equally spaced throughout First rise up and then fall Diverge from right to left Diverge from left to right Are equally spaced throughout First rise up and then fall ANSWER DOWNLOAD EXAMIANS APP
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