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 Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Both (A) and (B) Centrifugal fan Steam jet Chimney Both (A) and (B) Centrifugal fan Steam jet Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 100 kg/cm² 225.6 kg/cm² 1 kg/cm² Below atmospheric pressure 100 kg/cm² 225.6 kg/cm² 1 kg/cm² Below atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Decreases Increases May increase or decrease depending upon the method of storage Remain constant Decreases Increases May increase or decrease depending upon the method of storage Remain constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Last superheater or reheater and air preheater Air preheater and chimney Induced draft fan and forced draft fan None of these Last superheater or reheater and air preheater Air preheater and chimney Induced draft fan and forced draft fan None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference between Cornish boiler and Lancashire boiler is that Former contains one fire tube and latter contains two fire tubes Former is fire tube type and latter is water tube type boiler Former is water tube type and latter is fire tube type None of the listed here Former contains one fire tube and latter contains two fire tubes Former is fire tube type and latter is water tube type boiler Former is water tube type and latter is fire tube type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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