Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Have proper combustion by supplying it around the burner 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 Orsat apparatus is meant for None of these Finding out combustion efficiency Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Gravimetric analysis of flue gas None of these Finding out combustion efficiency Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Gravimetric analysis of flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Aromatic compounds Paraffins Olefins Alphatic compounds Aromatic compounds Paraffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Electrical resistivity Density Porosity None of these Electrical resistivity Density Porosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS