Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus is meant for None of these Gravimetric analysis of flue gas Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Finding out combustion efficiency None of these Gravimetric analysis of flue gas Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Finding out combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Facilitates by-products recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 5 75 55 25 5 75 55 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Gasification Carbonisation Oxidation Coalification Gasification Carbonisation Oxidation Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 1000 15000 8000 4000 1000 15000 8000 ANSWER DOWNLOAD EXAMIANS APP
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