Steam Boilers, Engines, Nozzles and Turbines The specific volume of steam with increase in pressure decreases Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things It increases thermal efficiency In some coals moisture may be present up to 40% Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade solidity is 0.65 Blades are equiangular and frictionless Blades are equiangular Blade velocity coefficient is unity Blade solidity is 0.65 Blades are equiangular and frictionless Blades are equiangular Blade velocity coefficient is unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 60 MW 100 MW 30 MW 500 MW 60 MW 100 MW 30 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound Less than the velocity of sound None of these Equal to the velocity of sound More than the velocity of sound Less than the velocity of sound None of these Equal to the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
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