Fuels and Combustion Main constituents of benzol are Ammonia & phenol Benzene, toluene & xylene Anthracene & phenol Tar & creosote Ammonia & phenol Benzene, toluene & xylene Anthracene & phenol Tar & creosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moisture proof coating on fibres As a fuel in furnaces For making electrodes As moth balls (insecticides) As moisture proof coating on fibres As a fuel in furnaces For making electrodes As moth balls (insecticides) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen Oxygen enriched air Air None of these Oxygen Oxygen enriched air Air None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = A M = 1.1A M = 1.5A M = 2A M = A M = 1.1A M = 1.5A M = 2A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Paraffins Aromatic compounds Olefins Alphatic compounds Paraffins Aromatic compounds Olefins ANSWER DOWNLOAD EXAMIANS APP