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Technical Drawing - Exam Papers - Ordinary - 2006 - EngineeringQuestion 4(a) Using the data table below make a fully
dimensioned drawing of the machine part shown, showing all
specifications.
(b)
Shown is a lever type relief valve. (i) Draw a parts list, in table format, which includes the item number and name for each of the parts 1, 2, 3, 4 and 5. (ii) Explain, with the aid of freehand sketches and with reference to the letters A, B, C, D and E, the operation of the air relief valve. (iii) Explain, with the aid of sketches, how the valve could be regulated to operate at different air pressures. ![]() (c)
Using large freehand sketches, explain the following engineering terms: (i) Flanged elbow; (ii) Rolled steel channel; (iii) Butterfly valve. ![]() ![]() |
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