Fuels and Combustion Naphthalene is used for making Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Structural strength of silica bricks Problem of uniform heating along its height Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Structural strength of silica bricks ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Scale losses of the furnace stock Flame temperature Calorific value of the fuel None of these Scale losses of the furnace stock Flame temperature Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Agglutinating (binding) properties Porosity Abradability Reactivity Agglutinating (binding) properties Porosity Abradability Reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick the odd man out. Pitch creosote mixture Wood Oil gas Briquettes Pitch creosote mixture Wood Oil gas Briquettes ANSWER DOWNLOAD EXAMIANS APP
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