Multiple choice

Cement containing excess amount of lime

  1. Cracks during setting

  2. Becomes more setting

  3. Is slow setting

  4. Is quick setting

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Excess lime (CaO) in cement causes unsoundness - the cement expands and cracks during setting. This is because free lime hydrates slowly after initial setting, causing volume changes. Proper proportioning and burning prevent this defect.