Fuels and Combustion A good quality coal should have Low fusion point of ash High sulphur High ash content None of these Low fusion point of ash High sulphur High ash content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens 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. Remains same 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as CO N₂ O₂ SO₂ CO N₂ O₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 4000 6000 8000 1000 4000 6000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Natural draft Induced draft fan Steam ejector Forced draft fan Natural draft Induced draft fan Steam ejector Forced draft fan ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS