In CBR test, the cylindrical plunger of ________ diameter is used.
(a) 5 cm
(b) 10 cm
(c) 15 cm
(d) 20 cm
This question was posed to me by my school principal while I was bunking the class.
Question is from Flexible Pavement in portion Design of Flexible & Rigid Pavement of Geotechnical Engineering II