What approximate ratio of iron ore, coking coal and limestone goes into steel?
A4 : 1 : 2
B2 : 4 : 1
C1 : 2 : 4
D4 : 2 : 1
Answer & Solution
Correct answer: D. 4 : 2 : 1
Iron ore, coking coal and limestone combine in an approximate 4 : 2 : 1 ratio in steel making.
Keep practising Resources, Agriculture & Minerals
Browse all Resources, Agriculture & Minerals questions for CBSE Class 10, or explore more Social Science topics.
Related questions
Iron ore concentrates from which mines are exported through New Mangalore port?Which port sits at the entrance of a lagoon and has a natural harbour?Which term describes the difference between a country's exports and imports?Which national broadcaster runs one of the largest terrestrial networks in the world?What role do roads play for railway stations, airports and seaports?Which roads link a state capital with the district headquarters?Which Konkan line runs along the west coast and eases movement of goods and people?Which city's suburban railway was established in 1854?