Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 4/3 kg 8/3 kg 2 kg 1 kg 4/3 kg 8/3 kg 2 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Tubes are laid vertically Forced circulation takes place Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Tubes are laid vertically Forced circulation takes place Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Internally fired boiler Natural circulation boiler Externally fired boiler Forced circulation boiler Internally fired boiler Natural circulation boiler Externally fired boiler Forced circulation boiler ANSWER DOWNLOAD EXAMIANS APP
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