cameroon gce intermediate level mechanical construction and development 2

cameroon gce intermediate level mechanical construction and development 2

cameroon gce intermediate level mechanical construction and development 2

SECTION A
(Answer only three questions from this section)
1.
(a) Define the term dimensioning.
(2 marks)
(b) Given FIGURE 1 below, reconstruct this diagram to scale 1:1 and represent the dimensioning lines on the drawing (8 marks)
Figure 1
_______________________________________________________________________________________________
2. Construct chamfers with the dimension 5mm x3mm at the edges of figure 2: (10 marks)
Figure 2
_______________________________________________________________________________________________
3. A shaft of 60mm diameter has limits of +0.032
-0.002
:

(a) Calculate the:
(a)
(b)
(c)
Upper limit
Lower limit
Tolerance value.
(2 marks)
(2 marks)
(6 marks

 

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