Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Coking coal Pulverized coal Non-coking or free burning coal High sulphur coal Coking coal Pulverized coal Non-coking or free burning coal High sulphur coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases evaporative capacity of the boiler All of these Enables low grade fuel to be burnt Increases the efficiency of the boiler Increases evaporative capacity of the boiler All of these Enables low grade fuel to be burnt Increases the efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam Velocity of steam All of these Specific volume of steam Dryness fraction of steam Velocity of steam All of these Specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 10 atmospheres 20 atmospheres 40 atmospheres 30 atmospheres 10 atmospheres 20 atmospheres 40 atmospheres 30 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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