Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 31 mm 230 mm 13 mm 130 mm 31 mm 230 mm 13 mm 130 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Centrifugal fan Steam jet Chimney Both (A) and (B) Centrifugal fan Steam jet Chimney Both (A) and (B) 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 Tandem type compound engine Both (A) and (B) Woolf type compound engine Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure ANSWER DOWNLOAD EXAMIANS APP