Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Decreases Increases Behaves unpredictably Remain same Decreases Increases Behaves unpredictably Remain same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases 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 90° to each other, is called Both (A) and (B) Tandem type compound engine Receiver type compound engine Woolf type compound engine Both (A) and (B) Tandem type compound engine Receiver type compound engine Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing of steam engines is a method of controlling the engine output by varying Temperature of intake steam Volume of intake steam Pressure of intake steam All of these Temperature of intake steam Volume of intake steam Pressure of intake steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as kg of fuel fired kg of steam produced Steam pressure produced kg of steam produced per kg of fuel fifed kg of fuel fired kg of steam produced Steam pressure produced kg of steam produced per kg of fuel fifed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS