Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between None of these Air preheater and chimney Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney Induced draft fan and forced draft fan Last superheater or reheater and air preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a simple vertical boiler are None of the listed here Vertical Inclined Horizontal None of the listed here Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ Air required for complete combustion of fuel with no excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Water gas Producer gas Coal gas Blast furnace gas Water gas Producer gas Coal gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Unburnt carbon Moisture in fuel Dry flue gases Steam formation Unburnt carbon Moisture in fuel Dry flue gases ANSWER DOWNLOAD EXAMIANS APP