A
Crude Steel
B
Indigenised Steel
C
Scrap-based Steel
D
Green Steel
Correct answer: (d) Green Steel
Explanation
Option D is correct because Green Steel refers to steel made without fossil fuels by utilizing green hydrogen or renewable energy instead of coal. Option A refers to the initial solid state of steel, and option C involves recycled scrap metal in Electric Arc Furnaces.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
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2018 · Q83 · UPPGS
As per the draft National Register of Citizens (NRC) published in July 2018, in which State were more than 40 lakh illegal immigrants found? -
2018 · Q34 · UPPGS
Natural growth of population is the outcome of which of the following? A. Crude Birth Rate B. Crude Death Rate C. Migration D. Marriages Select the correct answer from the codes given below: Codes: