Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and CO₂ All of these Both CO and O₂ Only CO Both CO and CO₂ All of these Both CO and O₂ Only CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 1500 6500 20000 500 1500 6500 20000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? All of these Kopper-Totzek process Lurgi process Winkler process All of these Kopper-Totzek process Lurgi process Winkler process ANSWER DOWNLOAD EXAMIANS APP
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