Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Remains unchanged Increases/decreases depending on steam temperature requirements Decreases Increases Remains unchanged Increases/decreases depending on steam temperature requirements Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 100 kcal/ kg 539 BTU/ lb 539 kcal/ kg 427 kcal/ kg 100 kcal/ kg 539 BTU/ lb 539 kcal/ kg 427 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called Woolf type compound engine Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine Receiver type compound engine Tandem type compound engine Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. Higher than Equal to None of these Less than Higher than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.067 bar 0.053 bar 0.007 bar 0.06 bar 0.067 bar 0.053 bar 0.007 bar 0.06 bar ANSWER DOWNLOAD EXAMIANS APP