(i) Hoarding:- is a temporary fence built round the new site to prevent the public from having a free access,…
ANSWER: Setting-out is usually to establish the building line which demarcates the outer face of the building. The next step…
ANSWER: Hard wood: (i) It is very hard, heavy, and strong difficult to work it resists fungus attack and marine…
(i) Seasoning consists of drying out the free water and some of water from the cell walls, which on withdrawal…
ANSWER (I) Wear goggles or eye shields when using machines which produce dust, chips or shavings. (II) Remove point or…
Carbon composition and their application. S/N METAL CARBON (%) USES 1 Mild Steel 0.15-0.3 Boiler plates, bridge work structure sections,…
Normalizing is the process of refining the structure of steel and remove stains which might have been caused by cold…
(i) Hardness: The hardness of a metal is a measure of its ability to withstand scratching, wear and abrasion and…
ANSWER (i) Cutting – the process of removing metal (swarf or chips) from the parent metal with the help of…
ANSWER A blind hole is a hole which is not drilled through a component