Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be 5.46 bar 3.3 bar 8.2 bar 9.9 bar 5.46 bar 3.3 bar 8.2 bar 9.9 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Higher effectiveness of boiler Fouling of heat transfer surfaces Raising of steam temperature High calorific value coal being burnt Higher effectiveness of boiler Fouling of heat transfer surfaces Raising of steam temperature High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Number of exits of steam Number of entries of steam Each row of blades Number of casing Number of exits of steam Number of entries of steam Each row of blades Number of casing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 135 tonnes/h 100 tonnes/h 250 tonnes/h 175 tonnes/h 135 tonnes/h 100 tonnes/h 250 tonnes/h 175 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed To convert rotary motion of the crankshaft into to and fro motion of the valve rod To keep the engine speed uniform at all load conditions To convert reciprocating motion of the piston into rotary motion To prevent fluctuation of speed ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes ANSWER DOWNLOAD EXAMIANS APP