Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Fire point Smoke point Burning temperature Kindling temperature Fire point Smoke point Burning temperature Kindling temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making 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 Insecticides (e.g. moth balls) Unsaturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = A M = 1.1A M = 1.5A M = 2A M = A M = 1.1A M = 1.5A M = 2A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Carbon monoxide Hydrogen Hydrocarbons Oxygen Carbon monoxide Hydrogen Hydrocarbons Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace ANSWER DOWNLOAD EXAMIANS APP
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