Question

For ________ mixing, all the material of concrete including water, are collected in a revolving drum and drummer is rotated for a certain period.

(a) Drum

(b) Hand

(c) Roller

(d) Machine

The question was posed to me by my school principal while I was bunking the class.

Enquiry is from Curing of Concrete topic in chapter Cement Concrete Construction of Construction & Building Materials

Answer 1

The correct answer is:

(a) Drum

For drum mixing, all the materials of concrete, including water, are collected in a revolving drum, and the drum is rotated for a certain period to ensure proper mixing.