Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Wet steam Superheated steam Dry saturated steam None of these Wet steam Superheated steam Dry saturated steam None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Heat transfer coefficient pH value of water Corrosion caused by oxygen Cavitation of boiler feed pumps Heat transfer coefficient pH value of water Corrosion caused by oxygen Cavitation of boiler feed pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 75 165 115 225 75 165 115 225 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Burnt in excess air Heated to its ignition point Burnt as powder Heated sufficiently Burnt in excess air Heated to its ignition point Burnt as powder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Increases the mean effective pressure All of these Increases the workdone Decreases the efficiency of the engine Increases the mean effective pressure All of these Increases the workdone Decreases the efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called Receiver type compound engine Tandem type compound engine None of these Woolf type compound engine Receiver type compound engine Tandem type compound engine None of these Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP