Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 70 100 85 50 70 100 85 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Low ash content High volatile matter Low calorific value Non smoking tendency Low ash content High volatile matter Low calorific value Non smoking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Cyclone separator Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber 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 Both A & B Lengthens the flame Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Insecticides (e.g. moth balls) All of these Unsaturated polyesters Drug intermediates e.g. β-naphthol Insecticides (e.g. moth balls) All of these Unsaturated polyesters Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Hydrocyclones Multicyclones Bag filter Wet scrubber Hydrocyclones Multicyclones Bag filter Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
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