Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is of Stationary < fire tube type Horizontal type All of the listed here Natural circulation type Stationary < fire tube type Horizontal type All of the listed here Natural circulation type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Show little or no fusing action Form lumps or masses of coke Burn completely Burn freely Show little or no fusing action Form lumps or masses of coke Burn completely Burn freely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is More Same Could be more or less depending on other factors Less More Same Could be more or less depending on other factors Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Inherent moisture and surface moisture are different things 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 It increases thermal efficiency Inherent moisture and surface moisture are different things 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 It increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by The efficient steam jacketing of the cylinder walls All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder ANSWER DOWNLOAD EXAMIANS APP