Compilation of 150+ Interview questions for an Agricultural Engineer! This article will also help you to crack Pre PG (Ag) Test, JRF, SRS, ARS, NET, SET, Ph.D, ASRB, IRMA, UPSC, NARBARD, Cooperative Bank, P.O, BEd. MANAGE and allied Agricultural Exam. 1. Which of the following is a mineral lubricants? (a) Crude petroleum (b) Cotton seed […]