Steam Boilers, Engines, Nozzles and Turbines With increase in load, radiant superheater has Linear characteristic Rising characteristic Flat characteristic Drooping characteristic Linear characteristic Rising characteristic Flat characteristic Drooping characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is Very high Low Very low High Very high Low Very low High ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. Decreases Increases Does not effect None of these Decreases Increases Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Provide air around burners for obtaining optimum combustion Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.56 0.74 0.78 0.63 0.56 0.74 0.78 0.63 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Lower than None of these Equal to Higher than Lower than None of these Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP