Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Four Two Five Six Four Two Five Six ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 85 70 50 100 85 70 50 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires All of these Fine grinding Low preheat of air High excess air All of these Fine grinding Low preheat of air High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Pitch Blast furnace gas Fuel oil Bituminous coal Pitch Blast furnace gas Fuel oil Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Increases Decreases Remains same May increase or decrease depending on the type of fuel Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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