Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about critical condition of steam Liquid directly becomes steam Specific volume of steam and liquid is same Latent heat is zero This is the maximum pressure limit Liquid directly becomes steam Specific volume of steam and liquid is same Latent heat is zero This is the maximum pressure limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks 180° to each other 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 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. 10 to 15% 30 to 40% 15 to 20% 20 to 30% 10 to 15% 30 to 40% 15 to 20% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing exhaust pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Decreasing exhausts pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Greater than unity Less than unity Equal to unity None of these Greater than unity Less than unity Equal to unity None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Give maximum strength Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength Give maximum space Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP