About The Author:
Dr. R. K. Bansal graduated in 1966. He obtained his Master's Degree in 1975 with
'HONOURS' from I.I.T., Delhi and Ph.D. in 1981 from University of Delhi. He
joined Delhi College of Engineering as a Lecturer and became Assistant Professor
in 1984. He was selected for the post of Professor in 1995. He also held the
posts of Head of Mech. Engineering (Faculty of Technology, University of Delhi),
Dean (P.G.) Studies and Dean (U.G.) Studies, Delhi College of Engineering,
Delhi. During his teaching career of about thirty five years, he guided a large
number of research students and got published many papers. He