Fuels and Combustion Naphthalene is used for making Drug intermediates e.g. β-naphthol Unsaturated polyesters Insecticides (e.g. moth balls) All of these Drug intermediates e.g. β-naphthol Unsaturated polyesters Insecticides (e.g. moth balls) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 2 38 20 11 2 38 20 11 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the combustion rate Minimise the chances of clinker formation Increase the gas production rate Convert CO to CO₂ Increase the combustion rate Minimise the chances of clinker formation Increase the gas production rate Convert CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 12 23 0.5 11.5 12 23 0.5 11.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Neither A nor B Both A & B Higher calorific value Lower hydrogen content Neither A nor B Both A & B Higher calorific value Lower hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters ANSWER DOWNLOAD EXAMIANS APP
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