UPSC PYQPrelims 2020

Civil Services Examination · Question 76

Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using the code given below:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Show answer & explanation

Answer: (D) 1, 2 and 3

Explanation

Steel slag is used as road aggregate, as a soil conditioner (liming agent) and in cement manufacture.