Tawjihi Vocational Engineering case studies
Tawjihi Vocational Engineering · Put your knowledge to work in context.
The Tawjihi Vocational Engineering stream is the Jordanian general secondary certificate pathway for students preparing for technical careers or further technical study in engineering fields. It suits candidates who prefer applied, hands-on learning over purely academic tracks and who intend to work as technicians, drafters, maintenance staff, or to continue into vocational or engineering programmes. The Tawjihi Vocational Engineering case studies are 5 cases and about 4,753 words.
1Bearing-housing flange drawing with conflicting fit note and hole pattern
Al-Rawda Metal Works has received a customer drawing for 25 bearing-housing flanges to be machined from castings that are already on site. The drawing specifies a 40 mm H7 bore with a general note reading: clearance fit 0.020 to 0.060 mm with mating shaft g6.
976 words, about 5 min2Tie-rod capacity on a wall-mounted jib before a second hoist point is added
A maintenance team is modifying a wall-mounted jib inside a fabrication bay. The horizontal beam is pinned to the wall at A.
867 words, about 4 min3Shaft batch acceptance with a biased micrometer and a marginal gauge study
A 60-piece batch of 30.000 mm plus or minus 0.015 mm steel shafts has been turned and is waiting for final inspection before dispatch. The inspector uses a 25-50 mm digital micrometer whose calibration certificate expired three months ago.
1,003 words, about 5 min4Workshop radial circuit that trips on saw start-up
A workshop extension has a 230 V single-phase radial circuit 48 m from the distribution board, wired in 2.5 mm squared copper and protected by a 16 A type B miniature circuit breaker. It supplies a bench saw driven by a 2.2 kW motor (power factor 0.80, efficiency 0.82, direct-on-line starting) and 500 W of fluorescent lighting.
960 words, about 5 min5Quotation for 600 brackets with a discount request and 60-day payment
A small jobbing shop has been asked to quote for 600 steel brackets per month for six months. Each bracket takes 1.8 kg of mild steel bar at 1.20 JD per kg; the process scrap rate is 5 percent of material issued.
947 words, about 5 min