by Sunday | Oct 6 | NABTEB QUESTIONS
Ferrous Metal Non-Ferrous Metals Cast iron Aluminium Wrought iron Copper Steel Brass
by Sunday | Oct 6 | NABTEB QUESTIONS
The term sensitive as referred to the drilling machine simply implies that one can feel all the stains on the drill in the feed handle of the drilling machine.
by Sunday | Oct 6 | NABTEB QUESTIONS
i. NORMALIZING Normalizing is a heat treatment process in which the steel heated to 3°C-500°C above the upper critical point and cooled freely in air. To bring to normal the internal structure. ii. ANNEALING The purpose of annealing is to make the metal softer and...
by Sunday | Oct 6 | NABTEB QUESTIONS
Carburizing is the process of adding carbon to the surface layer of low carbon steel. The Carburize components possess a tough core together with a hard case. There are about three methods of carburizing i. Surrounding with a carbonaceous material ii. Immersing in a...
by Sunday | Oct 6 | NABTEB QUESTIONS
(i) Upsetting This is a foregoing operation in which the material being forged is thickened or bulged and at the same time shortened. A bar of iron may be upset by heating the end to a welding heat; then placing its hot end down on the top of the anvil and striking...
by Sunday | Oct 6 | NABTEB QUESTIONS
Gas Welding is also known as oxyacetylene welding. Oxyacetylene weld is a fusion weld. The heat produced by burning acetylene gas with oxygen gas makes the edges of metal to be welded melt and fused together while Arc welding is welding with an electric current. Two...
Download Business Administration Project Topic PDF - Effects of Job Stress on Employee’s Performance in Evans Nigeria
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.