Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Blow off cock Safety valve Fusible plug Stop valve Blow off cock Safety valve Fusible plug Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference between Cornish boiler and Lancashire boiler is that None of the listed here Former is water tube type and latter is fire tube type Former is fire tube type and latter is water tube type boiler Former contains one fire tube and latter contains two fire tubes None of the listed here Former is water tube type and latter is fire tube type Former is fire tube type and latter is water tube type boiler Former contains one fire tube and latter contains two fire tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon All of these Specific volume of steam Velocity of steam Dryness fraction of steam All of these Specific volume of steam Velocity of steam Dryness fraction of steam 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 Remain dry saturated Wet Dry Superheated Remain dry saturated Wet Dry Superheated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Induced draught Natural draught Forced draught Balanced draught Induced draught Natural draught Forced draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
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