Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases/decreases depending on steam temperature requirements Increases Decreases Remains unchanged Increases/decreases depending on steam temperature requirements Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.67 1.67 0.4 0.56 0.67 1.67 0.4 0.56 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then There is a pressure drop in the nozzle Fluid flows through the nozzle Pressure drops and fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle There is a pressure drop in the nozzle Fluid flows through the nozzle Pressure drops and fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Higher calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Fusible plug Safety valve Pressure gauge Water level indicator Fusible plug Safety valve Pressure gauge Water level indicator ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is Less May be less or more depending on temperature Equal More Less May be less or more depending on temperature Equal More ANSWER DOWNLOAD EXAMIANS APP