Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel 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 Sometimes water is sprayed during coal charging in the coke oven, which helps in All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS