Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 10 atmospheres 20 atmospheres 30 atmospheres 40 atmospheres 10 atmospheres 20 atmospheres 30 atmospheres 40 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's turbine is a Impulse-reaction turbine Simple reaction turbine Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine Simple impulse turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Horizontal fire tube boiler Vertical water tube boiler Horizontal water tube boiler Vertical fire tube boiler Horizontal fire tube boiler Vertical water tube boiler Horizontal water tube boiler Vertical fire tube boiler ANSWER DOWNLOAD EXAMIANS APP
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