By-products are __________ recovered in ‘Beehive ovens’. September 7, 2025 by Admin Fully Partially Not at all Negligibly ✅ The correct answer is option C.
Ammonia content in raw coke oven gas is about __________ gm/Nm³. September 7, 2025 by Admin 1 15 50 100 ✅ The correct answer is option B.
Benzol is used September 7, 2025 by Admin As a motor fuel blend For producing benzene, tolune & xylene by its distillation Both A & B Neither A nor B ✅ The correct answer is option C.
About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. September 7, 2025 by Admin 2 3 5 1 ✅ The correct answer is option C.
Fusion point of coal ash increases with increase in its __________ content. September 7, 2025 by Admin Iron sulphate Iron silicate Lime and magnesia All of the above ✅ The correct answer is option D.
Cannel coal and boghead coal are the examples of September 7, 2025 by Admin Humic coals Liptobiolites Sapropelic coals None of these ✅ The correct answer is option C.
High amount of sulphur and phosphorous in coke causes September 7, 2025 by Admin Decrease in its calorific value Increase in its strength Brittleness of steel made by using it None of these ✅ The correct answer is option C.
Coke oven gas compared to blast furnace gas is September 7, 2025 by Admin More explosive and inflammable Less poisonous Lighter All of the above ✅ The correct answer is option D.
Compound coke ovens are those which can be heated by September 7, 2025 by Admin Both steam and electrical power Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both B and C ✅ The correct answer is option D.
Coke made in narrower by-product coke ovens (as compared to wider ovens) is September 7, 2025 by Admin Less reactive Stronger Smaller in size All of the above ✅ The correct answer is option D.