Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these 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 In moisture present in the fuel To dry flue gases All of these To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel To dry flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Multi-stage steam turbines are of the Velocity compounded type All of these Pressure compounded type Reaction type Velocity compounded type All of these Pressure compounded type Reaction type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the chimney Power of the boiler Efficiency of the boiler Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler Efficiency of the fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Only fixed blades Only moving blades Identical fixed and moving blades Fixed and moving blades of different shape Only fixed blades Only moving blades Identical fixed and moving blades Fixed and moving blades of different shape ANSWER DOWNLOAD EXAMIANS APP
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