MECHANICAL DRAWING
MECHANICAL DRAWING.
In technical drawing, mechanical drawing is an optional question in WASSCE AND NECO SSCE.
Mechanical drawing has to do with proper understanding of orthographic Projection, isometric insight view of the object as presented in 2 Dimension, sectional views of objects in 2 dimensions, Screws, lock devices and fasteners and assembly of objects.
Most often WAEC will give a brief of how to assemble the given mechanical tool while NECO in most cases does not give a brief. Therefore, it is important that the student learn and practice more on mechanical drawing before attempting it. In my own view, mechanical drawing is simpler compared to building drawing at the school certificate level.
Find below some examples of how Mechanical drawing questions are set in WASSCE.
1. The figure below shows a bevel pulley mounting bracket, with the parts assembled, draw full scale the following views
i. Sectional front elevation on cutting Plane T-T
ii. Sectional end elevation on cutting plane S-S
iii. Plan.
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