UNIT III - Dr.MGR Educational and Research Institute
Electric arc welding exercises ? lap joint ? Butt joint ? Fillet joint ? Tee joint. 2. .....
microscope; Iron carbon system; Time temperature transformation diagram (TTT)
... Evaluation of Engineering Stress/strain diagram on steel rod . ...... 3 T.R. Banga
and S.C. Sharma, " Estimating and Costing ", Khanna Publishers, 1986.