Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. More None of these Less Same More None of these Less Same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure 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 Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following compound steam engine requires a smaller flywheel? All of these Receiver type Woolf type Tandem type All of these Receiver type Woolf type Tandem type 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 velocity coefficient is unity 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Worsen Remain unaffected May improve/worsen depending on size Improve Worsen Remain unaffected May improve/worsen depending on size Improve ANSWER DOWNLOAD EXAMIANS APP