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 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 V = 44.72 hd K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Moisture present in the fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of maintaining the speed of the turbine constant for various load conditions, is known as Reheating Bleeding Governing None of these Reheating Bleeding Governing None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a single acting steam engine The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Last superheater or reheater and air preheater None of these Induced draft fan and forced draft fan Air preheater and chimney Last superheater or reheater and air preheater None of these Induced draft fan and forced draft fan Air preheater and chimney ANSWER DOWNLOAD EXAMIANS APP
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