Fuels and Combustion Naphthalene is used for making Drug intermediates e.g. β-naphthol All of these Unsaturated polyesters Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol All of these Unsaturated polyesters Insecticides (e.g. moth balls) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? None of these Blast furnace gas Natural gas Coke oven gas None of these Blast furnace gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. More than Either more or less; depends on the type of fuel Less than Equal to More than Either more or less; depends on the type of fuel Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 10 0 12.5 20 10 0 12.5 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Petrol Blast furnace gas Pitch Refinery gas Petrol Blast furnace gas Pitch Refinery gas ANSWER DOWNLOAD EXAMIANS APP
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