Question

For calibration of cylinder _______ is used.

(a) Gravel

(b) Sand

(c) Soil

(d) Silt

The question was asked by my college professor while I was bunking the class.

I need to ask this question from Determination of in-situ Density topic in section Index Properties Determination of Geotechnical Engineering I

Answer 1

Right answer is (b) Sand

To elaborate: For calibration of cylinder, weight of the sand required to fill the pouring cone of cylinder is needed. Uniformly graded, dry, clean sand passing a 600micron sieve and retained on 300micron IS sieve is used.