Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught 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 Four times the height of chimney Two times the height of chimney Equal to the height of chimney One-half the height of chimney Four times the height of chimney Two times the height of chimney Equal to the height of chimney One-half the height of chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface Less heating surface More heating surface Heating surface depends on other parameters Equal heating surface Less heating surface More heating surface Heating surface depends on other parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Water passes through the tubes and flue gases around it Change in enthalpy Work is done during adiabatic expansion Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Change in enthalpy Work is done during adiabatic expansion Flue gases pass through tubes and water around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon Initial conditions of steam Back pressure All of these Initial pressure of steam Initial conditions of steam Back pressure All of these Initial pressure of steam ANSWER DOWNLOAD EXAMIANS APP
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