Question

What is the initial setting time?

(a) The time at which cement paste loses its plasticity

(b) The time at which cement paste loses its elasticity

(c) The time at which cement paste gains its plasticity

(d) The time at which cement paste gains its elasticity

This question was posed to me by my college professor while I was bunking the class.

I need to ask this question from Setting Time Test in division Types of Cement and Testing of Cement of Concrete Technology

Answer 1

The correct answer is (a) The time at which cement paste loses its plasticity

To explain I would say: The time at which cement paste loses its plasticity is known as initial setting time of the concrete.