Steam Boilers, Engines, Nozzles and Turbines The basic purpose of drum in boiler is to Separate steam from water Remove salts from water Serve as storage of feed water for water wall Serve as storage of steam Separate steam from water Remove salts from water Serve as storage of feed water for water wall Serve as storage of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Decreases Increases/decreases depending on steam temperature requirements Increases Remains unchanged Decreases Increases/decreases depending on steam temperature requirements Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls Work is done All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls Work is done 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 Dry Wet Remain dry saturated Superheated Dry Wet Remain dry saturated Superheated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbine is a Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine Simple impulse turbine None of these Impulse-reaction turbine Simple reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
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