Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 700-850°C 500-600°C 950-1100°C Atmospheric temperature 700-850°C 500-600°C 950-1100°C Atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water Create vacuum in furnace 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 Slow speed engine None of the listed here Medium speed steam engine High speed steam engine Slow speed engine None of the listed here Medium speed steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 2 kg 8/3 kg 4/3 kg 1 kg 2 kg 8/3 kg 4/3 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm × K pa = K/pm pa = pm + K pa = pm/K pa = pm × K pa = K/pm pa = pm + K pa = pm/K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Decreases Increases Behaves unpredictably Remain same Decreases Increases Behaves unpredictably ANSWER DOWNLOAD EXAMIANS APP
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