Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Equal to None of these Less than Greater than Equal to None of these Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% It increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Atmospheric pressures Medium pressures Very high pressures Very low pressure Atmospheric pressures Medium pressures Very high pressures Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gusset stays in a boiler are provided to Prevent leakage of hot flue gases Avoid explosion in furnace Prevent the bulging of flat surfaces Support furnace freely from top Prevent leakage of hot flue gases Avoid explosion in furnace Prevent the bulging of flat surfaces Support furnace freely from top ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Orsat meter is used for Gravimetric analysis of the flue gases Volumetric analysis of the flue gases Measuring smoke density of flue gases Mass flow of the flue gases Gravimetric analysis of the flue gases Volumetric analysis of the flue gases Measuring smoke density of flue gases Mass flow of the flue gases ANSWER DOWNLOAD EXAMIANS APP
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