by Sunday | Oct 2 | NABTEB QUESTIONS
i. Corrosion resistant: Stainless steel is corrosion resistant. It is very useful where corrosion will cause damages to products. E.g. cutleries, cooking utensils. ii. Heat treatment: Martensitic stainless steel is heat treatable. This makes it useful in the...
by Sunday | Oct 2 | NABTEB QUESTIONS
i. Colored goggle: It is used to protect the eyes from radiation of heat and sparks. ii. Spark lighter: It is used to light the blow pipe when fuel gas is released. iii. Wire brush: It is used to clean the metal surface before and after welding. iv. Hammer: It is used...
by Sunday | Oct 2 | NABTEB QUESTIONS
(i) Colored goggle (ii) Spark lighter (iii) Wire brush (iv) Hammer (v) Spindle key (vi) Plier (vii) Screw driver (viii) A set of Spanners.
by Sunday | Oct 2 | NABTEB QUESTIONS
Hooke’s law of elasticity states that for an elastic material, strain is proportional to stress.
by Sunday | Oct 2 | NABTEB QUESTIONS
i Malleability: It is the ability of a metal to be bent, rolled or formed without fracture. E.g. steel, aluminum. ii Ductility: It is the ability of a metal to be drawn into thin wire e.g. copper. iii. Toughness: Ability of a metal to resist sudden heavy load without...