Fuels and Combustion Beehive coke oven 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content Increase in its oxygen content All of these Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content Increase in its oxygen content All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Admitting more gas Shutting air supply Shutting gas supply Admitting more air Admitting more gas Shutting air supply Shutting gas supply Admitting more air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 11 2 38 20 11 2 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Tar & creosote Benzene, toluene & xylene Ammonia & phenol Anthracene & phenol Tar & creosote Benzene, toluene & xylene Ammonia & phenol Anthracene & phenol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 4000 6000 8000 1000 4000 6000 8000 ANSWER DOWNLOAD EXAMIANS APP
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