(i) Facing: This operation is almost essential for all works. In this operation, as shown in fig., the work piece is held in the chuck and the facing tool is fed from the center of the work piece towards...
Metal Casting: Sand casting uses ordinary sand as the primary mould material. The sand grains are mixed with small amounts of other materials, such as clay and water, to improve mouldability...
DEFECTS IN WELDING (CAUSES) Improper welding parameter and wrong welding procedure introduce the welding defects in welded Joints. A defective welding Joint may fall under service condition and can...
VCR stands for Vapour Compression Refrigeration System. It is a refrigeration system in which cooling is obtained with the help of refrigerant. It consist of four major components such as Compressor, Condenser,...