Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Burnt as powder Burnt in excess air Heated to its ignition point Heated sufficiently Burnt as powder Burnt in excess air Heated to its ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon Turbine stage efficiency Exit pressure All of these Initial pressure and superheat Turbine stage efficiency Exit pressure All of these Initial pressure and superheat ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength Withstand pressure inside boiler Give maximum space Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A binary vapor plant consists of Steam condenser Steam turbine All of the listed here Mercury boiler Steam condenser Steam turbine All of the listed here Mercury boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 ANSWER DOWNLOAD EXAMIANS APP
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