Question

What is the diameter of Clinker for making of Portland Cement?

(a) .15-5 cm

(b) .15-5 m

(c) .3-4 cm

(d) .3-4 m

I have been asked this question in final exam.

This key question is from Manufacture of Portland Cement in division Cement of Concrete Technology

Answer 1

Correct option is (a) .15-5 cm

To elaborate: As the materials pass through the kiln their temperature is rised upto 1300-1600 °C. The process of heating is named as “burning”. The output is known as “clinker” which is 0.15-5 cm in diameter.