Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To prepare heat balance sheet for the boiler All of these To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler All of these To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Increase steam parameters Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant Increase steam parameters Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 15 to 25% 40 to 60% 10 to 15% 25 to 40% 15 to 25% 40 to 60% 10 to 15% 25 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Moisture present in the fuel Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
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