Fuels and Combustion Which of the following has the highest heat of combustion? CO C₂H₆ CH₄ H₂ CO C₂H₆ CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 2000 900 7500 4200 2000 900 7500 4200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Anthracene & phenol Ammonia & phenol Tar & creosote Benzene, toluene & xylene Anthracene & phenol Ammonia & phenol Tar & creosote Benzene, toluene & xylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air Low forced draught and fuel bed temperature All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air Low forced draught and fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 20 10 & 3 15 & 8 3 & 10 10 & 20 10 & 3 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
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