Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Less None of these Same More Less None of these Same More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of flue tubes in Lancashire boiler is Two Four Zero One Two Four Zero One ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Three times Twice Equal to Four times Three times Twice Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by forced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney ANSWER DOWNLOAD EXAMIANS APP
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