Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Steam jet draught Both combined (A) and (B) Induced draft fan Chimney Steam jet draught Both combined (A) and (B) Induced draft fan Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To steam formed by combustion of hydrogen per kg of fuel To dry flue gases All of these In moisture present in the fuel To steam formed by combustion of hydrogen per kg of fuel To dry flue gases All of these In moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle. Remain same Increases Decreases None of these Remain same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that All of these There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic Steam is admitted at boiler pressure and exhausted at condenser pressure All of these There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic Steam is admitted at boiler pressure and exhausted at condenser pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP
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