Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Gasoline Natural gas Wood charcoal Blast furnace coke Gasoline Natural gas Wood charcoal Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 20 to 40 1 to 2 3 to 4 5 to 15 20 to 40 1 to 2 3 to 4 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is CO₂ H₂ CO CH₄ CO₂ H₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
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