Fuels and Combustion Naphthalene is removed from coke oven gas by Absorbing in vetro-coke solution Scrubbing with wash oil (a petroleum product) None of these Adsorbing on bog iron bed Absorbing in vetro-coke solution Scrubbing with wash oil (a petroleum product) None of these Adsorbing on bog iron bed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Is not undersirable Reduces its calorific value Badly affects the quality of steel Increases its caking power Is not undersirable Reduces its calorific value Badly affects the quality of steel Increases its caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 3-5 60-65 95-100 25-30 3-5 60-65 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Tends to shorten the flame Increases the flame temperature Lengthens the flame Does not affect the flame length Tends to shorten the flame Increases the flame temperature Lengthens the flame Does not affect the flame length 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 Higher efficiency in the combustion of solid fuel can not be achieved by Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air ANSWER DOWNLOAD EXAMIANS APP
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