Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 72.5 mm 6.25 mm 92.5 mm 62.5 mm 72.5 mm 6.25 mm 92.5 mm 62.5 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be One-half the height of chimney Two times the height of chimney Equal to the height of chimney Four times the height of chimney One-half the height of chimney Two times the height of chimney Equal to the height of chimney Four times the height of chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called Superheater None of these Stop valve Blow off cock Superheater None of these Stop valve Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In forced circulation steam boilers, the force is applied To drain off the water To draw water To circulate water All of these To drain off the water To draw water To circulate water All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? Heat release can be easily controlled High burning rate is possible Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash Heat release can be easily controlled High burning rate is possible Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash ANSWER DOWNLOAD EXAMIANS APP
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