Question

Which of the following statements about kankar is false?

(a) It is used to manufacture natural hydraulic lime

(b) It is available in nodular and block form

(c) Kankar in nodular form can withstand heat without disintegration

(d) It is a pure limestone

The question was posed to me during an interview for a job.

I'd like to ask this question from Lime in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials

Answer 1

The correct choice is (d) It is a pure limestone

Best explanation: Kankar is an impure limestone which is used to manufacture natural hydraulic lime. It is available in two forms – nodular and block form. Kankar in nodular form can withstand heat without disintegration and contains a higher percentage of clay.