Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 260 kW 296 kW 302 kW 282 kW 260 kW 296 kW 302 kW 282 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. None of the listed here Increases Has no effect on Decreases None of the listed here Increases Has no effect on Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Has no effect on Increases None of these Decreases Has no effect on Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure boiler is one, which produces steam at a pressure more than Atmospheric pressure 5 kg/cm² 7580 kg/cm² 10 kg/cm² Atmospheric pressure 5 kg/cm² 7580 kg/cm² 10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
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