Questions › Category: Civil Engineering › The main ingredients of Portland cement are 0 Vote Up Vote Down VideRime Staff asked 5 years ago The main ingredients of Portland cement are a) Lime and silica b) Lime and alumina c) Silica and alumina d) Lime and iron Building Material MCQs Set-6 Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram More Related