Dr. K.L. Narayanahas obtained his B.E Degree from Govt. College of Engineering, Ananthapur, M.E.Degree from I.I.Sc., Bengaluru and Ph.D from S.V.University, Tirupathi. He hasmore than 41 years of teaching experience and was the recipient of the BESTTEACHER AWARD of 1991-1992 from the Government of Andhra Pradesh. He alsoworked as Dean, Faculty of Engineering, S.V.University. He has co-authored 12books. He is fellow of the Institution of Engineers (India), Member of theInstitution of Indian Foundry Men and a life member of the ISTE.
Dr. P. Kannaiahhas obtained his B.E. and Ph.D Degrees from S.V.U. College of Engineering,Tirupathi (A.P) and his M.Sc.(Engg) from PSG College of Technology, Coimbatore.He has more than 35 years of experience in teaching this subject. He hasauthored/co-authored 15 books, pertaining to certain areas of MechanicalEngineering, for both degree and diploma students. He has worked for 9 years inREC, Warangal, (A.P) and more than 25 years in S.V.U. College of Engineering,Tirupathi (A.P).