(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...
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,...
The term “refrigeration” is used to denote maintenance of a system or body at a temperature lower than that of its surroundings. The system maintained at the lower temperature is known as refrigerated...