Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Carbonisation Coalification Deoxidation Gasification Carbonisation Coalification Deoxidation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Bituminous coal None of these Anthracite coal Lignite Bituminous coal None of these Anthracite coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 >100 15-25 25-80 0-15 >100 15-25 25-80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Is generally coking Both B and C Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking Both B and C Ignites less easily than anthracite Burns with smoky yellow flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 8000 15000 1000 4000 8000 15000 1000 ANSWER DOWNLOAD EXAMIANS APP
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