Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. None of these Has no effect on Increases Decreases None of these Has no effect on Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded in moving blades only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical To give maximum space and strength Both (A) and (B) None of these To withstand the pressure of steam inside the boiler To give maximum space and strength Both (A) and (B) None of these To withstand the pressure of steam inside the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 4/3 kg 1 kg 2 kg 8/3 kg 4/3 kg 1 kg 2 kg 8/3 kg ANSWER DOWNLOAD EXAMIANS APP
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