Steam Boilers, Engines, Nozzles and Turbines Secondary 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 Air delivered by induced draft fan 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 Air delivered by induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Dry Wet Remain dry saturated Superheated Dry Wet Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 0.17 MN/m² 170 MN/m² 17 MN/m² 1.7 MN/m² 0.17 MN/m² 170 MN/m² 17 MN/m² 1.7 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is To prevent fluctuation of speed To keep the engine speed uniform at all load conditions To convert rotary motion of the crankshaft into to and fro motion of the valve rod To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed To keep the engine speed uniform at all load conditions To convert rotary motion of the crankshaft into to and fro motion of the valve rod To convert reciprocating motion of the piston into rotary motion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Improve efficiency Reduce exit losses Reduce speed of rotor All of these Improve efficiency Reduce exit losses Reduce speed of rotor All of these ANSWER DOWNLOAD EXAMIANS APP
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