Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? Mix fuel with air and ignite To provide proper conditions for continuous complete combustion Separate ash from coal Maintain heat supply to prepare and ignite the incoming fuel Mix fuel with air and ignite To provide proper conditions for continuous complete combustion Separate ash from coal Maintain heat supply to prepare and ignite the incoming fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these A steam turbine develops higher speeds The efficiency of steam turbine is higher The steam consumption is less All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 6 kg/cm 17 kg/cm² 1 kg/cm 100 kg/cm² 6 kg/cm 17 kg/cm² 1 kg/cm 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then Pressure drops and fluid flows through the nozzle 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 Pressure drops and fluid flows through the nozzle 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 640 m/s 640/3 m/s 320/3 m/s 160/3 m/s 640 m/s 640/3 m/s 320/3 m/s 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 boiler Power of the boiler Efficiency of the chimney Efficiency of the fan Efficiency of the boiler Power of the boiler Efficiency of the chimney Efficiency of the fan ANSWER DOWNLOAD EXAMIANS APP
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