Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Mechanical efficiency Blading efficiency Nozzle efficiency Stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as Low pressure turbine Pass out turbine Back pressure turbine Impulse turbine Low pressure turbine Pass out turbine Back pressure turbine Impulse turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is 1 0.6 0.2 0.8 1 0.6 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
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