waecE-LEARNING
Technical Drawing Paper 1, May/June 2010  
Questions: 1 2 3 4 Main
General Comments
Strength
Weakness/Remedies






Question 2

Two view of a bracket in a machine are shown in first angle projection below.  Draw the bracket in isometric, making point X the lowest.

 

The first step after visualizing the object is to draw either the isometric
axes or isometric box.  Then locate the lowest point on the axes or box as
the starting point.  Note that, except for the circular parts which must be drawn in elliptical form., all other parts are either perpendicular or 30o to the horizontal.  The required solution is shown below:

 

_____________________________________________________________________________________________________
OBSERVATION

Majority of the candidates failed to represent the circular part in elliptical form, this affected their performance badly.

 

Powered by Sidmach Technologies(Nigeria) Limited .
Copyright © 2015 The West African Examinations Council. All rights reserved.