Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Calorific value Caking power Both A & B Neither A nor B Calorific value Caking power Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is called "blue gas"? Producer gas Coke oven gas Natural gas Water gas Producer gas Coke oven gas Natural gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Sulphur & phosphorus Ash Moisture None of these Sulphur & phosphorus Ash Moisture None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Reactivity with O₂ Phosphorus content Abradability Volatile matter content Reactivity with O₂ Phosphorus content Abradability Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Require less time of carbonisation All of these Produce smaller coke Produce stronger coke Require less time of carbonisation All of these Produce smaller coke Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 3.76 4.76 0.21 0.79 3.76 4.76 0.21 0.79 ANSWER DOWNLOAD EXAMIANS APP
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