Fuels and Combustion Preheating of __________ the flame temperature. The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Supply of excess air None of these Supply of excess fuel Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Reduction in coal size All of these Decrease in its caking capacity Increase in its friability Reduction in coal size All of these Decrease in its caking capacity Increase in its friability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 8500 1500 5400 3300 8500 1500 5400 3300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame ANSWER DOWNLOAD EXAMIANS APP
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