Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Decreases 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 Does not vary with increase in surface area Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A high rank coal A coking coal Can be used for gasification and steam generation A black banded coal which burns with a non-smoky yellowish flame A high rank coal A coking coal Can be used for gasification and steam generation A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Low temperature coke Blast furnace coke Anthracite coal Sub-bituminous coal Low temperature coke Blast furnace coke Anthracite coal Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Deoxidation Carbonisation Coalification Gasification Deoxidation Carbonisation Coalification Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fuel' can be defined as a substance which produces heat by All of these Nuclear fusion Nuclear fission Combustion All of these Nuclear fusion Nuclear fission Combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 2.5 20 0.5 10 2.5 20 0.5 ANSWER DOWNLOAD EXAMIANS APP
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