Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Last superheater or reheater and air preheater Induced draft fan and forced draft fan None of these Air preheater and chimney Last superheater or reheater and air preheater Induced draft fan and forced draft fan None of these Air preheater and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In cross compounding, the cylinders are arranged At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank At 90° and each cylinder has common piston, connecting rod and crank Side by side and each cylinder has separate piston, connecting rod and crank Side by side and each cylinder has common piston, connecting rod and crank At 90° and each cylinder has separate piston, connecting rod and crank ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Supply of excess coal Fuel bed firing Supply of excess, air Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Fuel bed firing Supply of excess, air Burning CO and unburnt in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.2 0.3 0.15 0.45 0.2 0.3 0.15 0.45 ANSWER DOWNLOAD EXAMIANS APP
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