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...
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...
Engineering mechnics (EM): 1.In EM deals with bodies as perfecly rigid bodies and also known as Mechanics of rigid bodies. 2. EM is the study of external forces that are acting on rigid body. 3....
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...
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...