Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Heat transfer coefficient Cavitation of boiler feed pumps Corrosion caused by oxygen pH value of water Heat transfer coefficient Cavitation of boiler feed pumps Corrosion caused by oxygen pH value of water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 4.75 mm 7.45 mm 47.5 mm 5.47 mm 4.75 mm 7.45 mm 47.5 mm 5.47 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Lower calorific value Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed To convert rotary motion of the crankshaft into to and fro motion of the valve rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor is the ratio of the None of these Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop Isentropic heat drop to the heat supplied None of these Cumulative heat drop to the isentropic heat drop Total useful heat drop to the total isentropic heat drop Isentropic heat drop to the heat supplied ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP