Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 10 12.5 20 0 10 12.5 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Acetylene Carbon monoxide Hydrogen Methane Acetylene Carbon monoxide Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Lurgi process All of these Winkler process Kopper-Totzek process Lurgi process All of these Winkler process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Tar & creosote Ammonia & phenol Anthracene & phenol Benzene, toluene & xylene Tar & creosote Ammonia & phenol Anthracene & phenol Benzene, toluene & xylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value ANSWER DOWNLOAD EXAMIANS APP
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