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Technical Drawing Paper 1,Nov/Dec. 2009  
Questions: 1 2 3 4 Main
General Comments
Strength
Weakness/Remedies









Question 3

Two views of a block are shown in third angle projection below. Draw, full size, the isometric view of the block, making K the lowest point.

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OBSERVATION

From the orthographic views given, candidates were expected to draw the required isometric view. The first step is to visualize the given object, then draw the isometric axes or box. The next step is to determine the.
point K and proceed from there to determine the length and breadth of the block. All parts must be drawn either perpendicularjy or 30° to the .: . horizontal. The circular parts too must be drawn in elliptical form. The
required solution is shown below:

Majority of the candidates did well in this question which showed that they could visualize the object correctly

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