Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Correct fuel air ratio O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio O₂ to support combustion Proper ignition temperature All the three above 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 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 Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash 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 Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by flue gases Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by flue gases Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Wet steam Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle There is a pressure drop in the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle There is a pressure drop in the nozzle ANSWER DOWNLOAD EXAMIANS APP
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