Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called Tandem type compound engine Receiver type compound engine Woolf type compound engine None of these Tandem type compound engine Receiver type compound engine Woolf type compound engine None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler is of the order of 57.5 m 24 m 79 m 35 m 57.5 m 24 m 79 m 35 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Provide support for boiler Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Take care of failure in shear Provide support for boiler Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Take care of failure in shear ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 72.5 mm 6.25 mm 62.5 mm 92.5 mm 72.5 mm 6.25 mm 62.5 mm 92.5 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Outside diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness ANSWER DOWNLOAD EXAMIANS APP