Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as kg of fuel fired kg of steam produced Steam pressure produced kg of steam produced per kg of fuel fifed kg of fuel fired kg of steam produced Steam pressure produced kg of steam produced per kg of fuel fifed ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Fixed and moving blades of different shape Identical fixed and moving blades Only fixed blades Only moving blades Fixed and moving blades of different shape Identical fixed and moving blades Only fixed blades Only moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Supply of excess, air Fuel bed firing Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Supply of excess, air Fuel bed firing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ = α₂ and β₁ = β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Dry Wet Remain dry saturated Superheated Dry Wet Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
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