Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CH₄ CO CO₂ H₂ CH₄ CO CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value Increases its calorific value Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value Increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Endothermic Autocatalytic Catalytic Exothermic Endothermic Autocatalytic Catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Burning temperature Fire point Kindling temperature Smoke point Burning temperature Fire point Kindling temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Lignite Bituminous coal Anthracite Semi-anthracite Lignite Bituminous coal Anthracite Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP