Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always 1 > 1 Unpredictable < 1 1 > 1 Unpredictable < 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Natural gas Sewage gas LPG Producer gas Natural gas Sewage gas LPG Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Proper fuel preparation Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment Supplying correct quantity of combustion air Proper fuel preparation Keeping the flue gas exhaust temperature very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of None of these Humic coals Sapropelic coals Liptobiolites None of these Humic coals Sapropelic coals Liptobiolites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven All of these ANSWER DOWNLOAD EXAMIANS APP
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