Question

The California bearing ratio method was originally devised by ________

(a) O.J. Porter

(b) California state highway

(c) Highway research board

(d) North Dakota state highway

I have been asked this question during an internship interview.

The doubt is from Flexible Pavement topic in section Design of Flexible & Rigid Pavement of Geotechnical Engineering II

Answer 1

Correct option is (a) O.J. Porter

For explanation: The California bearing ratio method was originally devised by O.J. Porter and then by California state highway department. It has since been developed by other authorities in the U.S.A., notably by U.S Crops of Engineers.