MCQs
Total Questions : 1556
| Page 7 of 156 pages
Answer: Option A. -> 2 to 3 mm
Answer: Option D. -> 50 mm
Answer: Option D. -> All the above
Answer: Option D. -> All the above
Answer: Option C. -> Methane
Answer: Option A. -> Hydrogen sulphide
Answer: Option B. -> Carbon dioxide
Answer: Option D. -> 150 m to 300 m
Answer: Option D. -> All the above