Steam Boilers, Engines, Nozzles and Turbines During polytropic process Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these 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 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 increase the wetness of steam Decrease the mass flow rate and to decrease 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is 1 0.2 0.6 0.8 1 0.2 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? None of these Superheater Economizer Both (A) and (B) None of these Superheater Economizer Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1 to 2 m 1.5 to 2.5 m 1.25 to 2.25 m 1.75 to 2.75 m 1 to 2 m 1.5 to 2.5 m 1.25 to 2.25 m 1.75 to 2.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks 0° to each other 90° to each other None of these 180° to each other 0° to each other 90° to each other None of these 180° to each other ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS