Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 0°K 373°K 273.16°K 303°K 0°K 373°K 273.16°K 303°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam The evaporation of 15.653 kg of water per hour from and at 100° C The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam The evaporation of 15.653 kg of water per hour from and at 100° C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine All of these Reduces wear on the blades Increases the efficiency of the turbine Increases the work-done through the turbine All of these Reduces wear on the blades Increases the efficiency of the turbine Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Can be raised rapidly Is raised at same rate Is raised at slower rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at same rate Is raised at slower rate Could be raised at fast/slow rate depending on design ANSWER DOWNLOAD EXAMIANS APP
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