Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 950 1150 750 550 950 1150 750 550 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a perfume As an explosive As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume As an explosive As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 65 120 180 30 65 120 180 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Carbon monoxide Hydrogen Acetylene Methane Carbon monoxide Hydrogen Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by Preheating, blending and de-ashing the coal Dry quenching of coke Stamped charging of coal All of these Preheating, blending and de-ashing the coal Dry quenching of coke Stamped charging of coal All of these ANSWER DOWNLOAD EXAMIANS APP