Question

What is the diameter of the permeameter mould (i.e. Cylinder), used in Jodhpur permeameter?

(a) 79.8 mm

(b) 50 mm

(c) 300 mm

(d) 60 mm

The question was posed to me during a job interview.

This intriguing question originated from The Jodhpur Permeameter in chapter Permeability of Geotechnical Engineering I

Answer 1

Right option is (a) 79.8 mm

To elaborate: The permeameter mould which is a cylinder has an internal capacity 300 ml, 50 cm2 cross-sectional area, and diameter of 79.8 mm and a 6 cm height.