Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity increases Pressure remains constant Velocity decreases Velocity remains constant Velocity increases Pressure remains constant Velocity decreases Velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by ash Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by ash ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Less than unity Equal to unity Greater than unity None of these Less than unity Equal to unity Greater than unity None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Brake thermal efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency Brake thermal efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Reheat factor Rankine efficiency Internal efficiency Stage efficiency Reheat factor Rankine efficiency Internal efficiency Stage efficiency 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
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