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 Injector Superheater Air-preheater Economizer Injector Superheater Air-preheater Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Less than unity Greater than unity Equal to unity None of these Less than unity Greater than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Increases Decreases Remains same None of the listed here Increases Decreases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is of Horizontal type All of the listed here Natural circulation type Stationary < fire tube type Horizontal type All of the listed here Natural circulation type Stationary < fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Centrifugal fan Chimney Both (A) and (B) Steam jet Centrifugal fan Chimney Both (A) and (B) Steam jet ANSWER DOWNLOAD EXAMIANS APP