Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. None of these Increases Has no effect on Decreases None of these Increases Has no effect on Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called None of these Expansion ratio Clearance ratio Cut-off ratio None of these Expansion ratio Clearance ratio Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is Very low High Very high Low Very low High Very high Low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 800-1200 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 2000-4000 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Facilitating ash precipitation Spontaneous combustion during coal storage All of these Corroding air heaters Facilitating ash precipitation Spontaneous combustion during coal storage All of these Corroding air heaters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands Wholly in blades Partly in the nozzle and partly in blades None of these Wholly in nozzle Wholly in blades Partly in the nozzle and partly in blades None of these Wholly in nozzle ANSWER DOWNLOAD EXAMIANS APP