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UPSC Prelims GS - 2020

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Question Panel

Section-1

Question 98
DIFFICULTCorrect: +2Incorrect: -2

In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint?
1. Copper slag
2. Cold mix asphalt technology
3. Geotextiles
4. Hot mix asphalt technology
5. Portland cement
Select the correct answer using the code given below:

    a
    1, 2 and 3 only
    b
    2, 3 and 4 only
    c
    4 and 5 only
    d
    1 and 5 only