Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at Saturation temperature at given pressure 100°C 0°C Room temperature Saturation temperature at given pressure 100°C 0°C Room temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a High speed steam engine Medium speed steam engine Slow speed engine None of the listed here High speed steam engine Medium speed steam engine Slow speed engine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces 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 Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by Keeping the expansion ratio small in each cylinder All of these The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder Keeping the expansion ratio small in each cylinder All of these The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg ANSWER DOWNLOAD EXAMIANS APP
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