Multiple Choice Questions: 1. First material known to be used by man: (a) Cotton (b) Bronze (c) Iron (d) Rock 2. First metal known to be used by man:(a) Iron (b) Bronze (c) Silver (d) Aluminium 3. Which...
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...
(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...
A saturated steam table is an indispensable tool for any engineer working with steam. It's typically used to determine saturated steam temperature from steam pressure, or the opposite: pressure from saturated...