Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Inclined Horizontal Both horizontal and vertical Vertical Inclined Horizontal Both horizontal and vertical Vertical 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 20 atmospheres 10 atmospheres 40 atmospheres 30 atmospheres 20 atmospheres 10 atmospheres 40 atmospheres 30 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Rankine efficiency Stage efficiency Internal efficiency Reheat factor Rankine efficiency Stage efficiency Internal efficiency Reheat factor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C Atmospheric temperature 700-850°C 500-600°C 950-1100°C Atmospheric temperature 700-850°C 500-600°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
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