UPSC Civil Services Prelims 2020
Question 63 of 70Environment and Ecology
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
A1, 2 and 3 only
B2, 3 and 4 only
C4 and 5 only
D1 and 5 only
Correct Answer
The correct answer is hidden
Explanation
36 words hidden ... structural performance and reduce material demand. Copper slag can serve as a reused industrial material in suitable ... 39 words hidden