Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Outside temperature is very low Around 200 meters Equal to the height of the hot gas column producing draught Infinitely long Outside temperature is very low Around 200 meters Equal to the height of the hot gas column producing draught Infinitely long ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated to its ignition point Heated sufficiently Burnt in excess air Burnt as powder Heated to its ignition point Heated sufficiently Burnt in excess air Burnt as powder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 62.5 mm 72.5 mm 92.5 mm 6.25 mm 62.5 mm 72.5 mm 92.5 mm 6.25 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam boiler Economiser Steam condenser Steam preheater Steam boiler Economiser Steam condenser Steam preheater ANSWER DOWNLOAD EXAMIANS APP
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