Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Increases None of these Does not change Decreases Increases None of these Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 + moisture content (1- moisture content) 1 – moisture content (1 + moisture content) 1 + moisture content (1- moisture content) 1 – moisture content (1 + moisture content) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Volume at cut-off to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Greater than unity None of these Equal to unity Less than unity Greater than unity None of these Equal to unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS