Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Fermentation Oxidation Hydrogenation None of these Fermentation Oxidation Hydrogenation None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are None of these Anthracite Lignite Bituminous None of these Anthracite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As a fuel in furnaces As moisture proof coating on fibres For making electrodes As moth balls (insecticides) As a fuel in furnaces As moisture proof coating on fibres For making electrodes As moth balls (insecticides) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Decreases Increases Remains same Either A or B, depends on other factors Decreases Increases Remains same Either A or B, depends on other factors 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 All of these Increase in its oxygen content Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content All of these Increase in its oxygen content ANSWER DOWNLOAD EXAMIANS APP