Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 950 500 750 1100 950 500 750 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity All of these It is stored in tall heaps It contains large amount of volatile matter Smaller fines are stored in large quantity All of these It is stored in tall heaps It contains large amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Decrease in its caking capacity Increase in its friability All of these Reduction in coal size Decrease in its caking capacity Increase in its friability All of these Reduction in coal size ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making All of these 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) ANSWER DOWNLOAD EXAMIANS APP
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