Questions › Category: Civil Engineering › The minimum diameter of manhole opening is 0 Vote Up Vote Down VideRime Staff asked 6 years ago The minimum diameter of manhole opening is a) 50 cm b) 100 cm c) 150 cm d) 200 cm Environmental Engineering MCQs Set-1 Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram More Related