Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant Steam entropy remains constant Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant Steam entropy remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the 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 Work done by 1 kg of steam at saturation condition Steam evaporation rate per kg of fuel fired 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 Work done by 1 kg of steam at saturation condition Steam evaporation rate per kg of fuel fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h - hf1)/2257 None of these (h + hf1)/2257 (h × hf1)/2257 (h - hf1)/2257 None of these (h + hf1)/2257 (h × hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Cochran boiler Cornish boiler Lancashire boiler Locomotive boiler Cochran boiler Cornish boiler Lancashire boiler Locomotive boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Increases the efficiency of the boiler Enables low grade fuel to be burnt Increases evaporative capacity of the boiler All of these Increases the efficiency of the boiler Enables low grade fuel to be burnt Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
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