Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. None of these Equal to Higher than Lower than None of these Equal to Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Forced circulation type Vertical fire tube type Horizontal water tube type Horizontal fire tube type Forced circulation type Vertical fire tube type Horizontal water tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Is raised at same rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at slower rate Is raised at same rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at slower rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease dryness fraction of steam Increase the entropy Decrease specific volume of steam Increase the heat drop Decrease dryness fraction of steam Increase the entropy Decrease specific volume of steam Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Injector Superheater Air-preheater Economizer Injector Superheater Air-preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 5 to 7.5 m 2 to 4.5 m 3 to 5 m 7 to 9 m 5 to 7.5 m 2 to 4.5 m 3 to 5 m 7 to 9 m ANSWER DOWNLOAD EXAMIANS APP
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