Question

Which of the following is not true about pozzuolana cement?

(a) Pozzuolana cement can resist the action of sulphates

(b) Less heat is evolved during its setting

(c) Pozzuolana cement possesses a very low tensile strength

(d) It imparts plasticity to the mortar prepared from it

I had been asked this question in my homework.

This key question is from Plain and Reinforced in portion Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials

Answer 1

The correct option is (c) Pozzuolana cement possesses a very low tensile strength

The best explanation: Pozzuolana cement possesses higher tensile strength and can resist the action of sulphates. It imparts plasticity to the mortar prepared from it and less heat is evolved during its setting.