Question

What is the depth the needle in Vicat apparatus should penetrate into the cement paste in consistency test?

(a) 33-35 cm from bottom of the mould

(b) 33-35 mm from top of the mould

(c) 33-35 cm from top of the mould

(d) 33-35 mm from bottom of the mould

The question was asked in examination.

Origin of the question is Properties of Cement topic in chapter Materials for Construction of Basic Civil Engineering

Answer 1

Right answer is (b) 33-35 mm from top of the mould

The explanation is: The best procedure has been clearly mentioned in IS 4031 Part 4.  According to the code, 33-35mm depth of penetration is ideal.