NSSCO Metalwork and Welding 6188 case studies
NSSCO Metalwork and Welding 6188 · Put your knowledge to work in context.
NSSCO Metalwork and Welding (subject code 6188) is a senior secondary Ordinary Level technical subject in Namibia's national curriculum. It suits learners who want a practical trade grounding - in fabrication, welding, fitting and bench work - before entering employment, an apprenticeship, or further study at a vocational training centre or polytechnic. The NSSCO Metalwork and Welding 6188 case studies are 5 cases and about 3,106 words.
1Acetylene cylinder leak and an unguarded 230 mm grinder
At a school workshop, the gas store is a 2 m × 3 m room shared with paint cans. An acetylene cylinder is lying on its side with the regulator still fitted, and there is a faint acetone smell.
639 words, about 3 min2Bracket material for a salt-water pontoon
A coastal boatyard must fabricate 40 identical mounting brackets for a floating pontoon. Each bracket is a 6 mm thick plate, 150 mm × 100 mm, with two 14 mm bolt holes.
627 words, about 3 min3Micrometer zero error on a batch of locating pins
During a batch of 60 turned locating pins, nominal Ø12.00 mm with a tolerance of ±0.04 mm, a learner uses a 0–25 mm outside micrometer. With the jaws closed, the micrometer reads 0.03 mm.
590 words, about 3 min4Cracked cable brackets and bend allowance
A workshop must produce 25 identical cable brackets from 1.5 mm mild steel sheet. Each bracket is a 90° angle with outside legs of 80 mm and 50 mm, an inside bend radius of 2 mm, and a K-factor of 0.33.
638 words, about 3 min5Porosity and lack of fusion in trailer chassis welds
While repairing a 6 mm mild steel trailer chassis, a welder makes butt joints in the flat position using GMAW. The joint is a single-V with a 60° included angle, 1.5 mm root face and 3 mm root gap.
612 words, about 3 min