Steam Boilers, Engines, Nozzles and Turbines A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are Packaged boiler does not exist Purchased from several parties and packed together at site Supplied mounted on a single base Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist Purchased from several parties and packed together at site Supplied mounted on a single base Supplied by same manufacturer loose and assembled at site ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion None of these Does not change Increases Decreases None of these Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h × hf1)/2257 (h - hf1)/2257 (h + hf1)/2257 None of these (h × hf1)/2257 (h - hf1)/2257 (h + hf1)/2257 None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Four times Double Equal Half Four times Double Equal Half ANSWER DOWNLOAD EXAMIANS APP
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