Here I am suggesting you some best Reference Books for preparation of ONGC Graduate Trainee (Electrical Engineering) Written Test.

Topics of ONGC Graduate Trainee (Electrical Engineering) Written Test:
• General Awareness
• Electrical Engineering
• Reading Comprehension
• Verbal/ Non-verbal Reasoning
• Quantitative Aptitude
• Data Interpretation


Books for Aptitude Section:

General Awareness:
Competition Success Review
Manorama Year Book
Prathiyogitha Darpan
General Awareness & Current Affairs by Manohar Pandey

Quantitative Aptitude:
Quicker maths by M.Tyra
Quantitative aptitude by R S Agarwal

Verbal/ Non-verbal Reasoning:
A Modern Approach to Verbal and Non Verbal Reasoning by R S Agarwal
Critical Reasoning Preparation Guide by Manhattan

Reading Comprehension:
Objective General English by Puri
English Language by Lucent’s General English


Topics of Technical Section:
Analog Electronic circuits
Digital Electronic circuit
Electric Circuit theory
Thermal Power Engineering
Electrical & Electronic measurement
Electric Machine

Books for Technical Section:

Analog Electronic Circuits:
Microelectronic Circuits by Sedra & Smith
Electronic devices & Circuits by Balbir Kumar & Shail B. Ja
Integrated Electronics by Milman & Halkias
Electronic principles by Malvino
Electronic Devices -System & Application by Robert Diffenderfer

Digital Electronic Circuit:
Digital Principles & Application by Leach & Malvino
Modern Digital Electronics by R.P. Jain
Fundamental of Digital Circuits by A. Anand Kumar
Fundamental of logic Design by Charles H. Roth

Electric Circuit Theory:
Network Analysis by M.E. Valkenburg
Engineering Circuit Analysis by W.H. Hyat, J.E. Kemmerly
Fundamental of Electric Circuits by Charles K. Alexander
Introduction to Electric Circuits by Richard C. Dorf, James A. Svoboda

Thermal Power Engineering:
Fundamental Mechanics of Fluids by Currie, LG
Fundamentals of Heat and Mass Transfer by Incropera, P.P. and Dewitt
Extended Surface Heat Transfer by Kraus, A.D., Aziz, A

Electrical & Electronic Measurement:
A course in Electrical and electronic Measurement and Instrumentation by Sawhney AK
Electrical Measurements & Measuring instruments by Rajendra Prasad
Modern Electronic instrumentation and measurement techniques by Albert D Halfride

Electric Machine:
A Course in Electrical Engineering by Chester L. Dawes, S. B
Design of Electrical Machinery by By William T. Ryan
Electric Machine Design by Henry Metcalfe Hobart