Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and thickness Inside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter Outside diameter and thickness Inside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is Very high Low High Very low Very high Low High Very low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler Vertical fire tube boiler Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler Vertical fire tube boiler ANSWER DOWNLOAD EXAMIANS APP
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 3.3 bar 8.2 bar 9.9 bar 5.46 bar 3.3 bar 8.2 bar 9.9 bar 5.46 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁. p₂ p₁/p₂ p₂/p₁ p₁ + p₂ p₁. p₂ p₁/p₂ p₂/p₁ p₁ + p₂ ANSWER DOWNLOAD EXAMIANS APP
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