Question

Before testing setting time of cement on should test for

• A. soundness
• B. strength
• C. fineness
• D. consistency

Answer 1

The correct option is D consistency

The test before which consistency test is required are:
(1) Initial and final setting time tests at water content 0.85P.

(2) Compressive strength test at water content $\frac{P}{4}+3\%$ of combined weight of 1:3 cement and Ennore (standard) sand mix.

(3) Sound test by Le Chatelier apparatus at 0.78P for free lime soundness.