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A past exam paper for the engineering graphics module of the bachelor of engineering (honours) in mechanical engineering degree at cork institute of technology. The exam consists of three questions, each worth 33 marks. Questions involve drawing views of an item, plotting the path of points, and creating a 3d solid image of a bracket. Section b includes questions related to pneumatic circuits and valves. Students were required to complete the circuit diagram and identify port designations, sketch pneumatic circuit symbols, and describe the functioning of a pneumatic time delay valve.
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Answer THREE questions. Examiners: Mr. Bernard O’ Callaghan 2 Questions from Section A Mr. Manfred Uhlemann and 1 Question from Section B Prof. Michael Gilchrist Mr. John Hegarty
Q1. Draw the following views of the item shown in Fig Q1.
Use First Angle Projection Include Six Leading Dimensions and use appropriate layers. [33 Marks]
Q2. In Fig Q2 the link OA rotates about O and C is a pivot. Plot the path of P and Q for one revolution of the rod. [33 marks]
OA = 40mm AP = 35mm AQ = 150mm
Q3. Produce a 3-D solid image of the bracket shown below in Fig Q3(a).
Set up Paper Space for an A4 sheet. The finished drawing is to be set out as shown in Fig Q3 (b). You may use a template that you have previously created, this does NOT have to be the exact same as the title block shown. The orthographic views are set to full scale, while the pictorial is to half scale. Obtain the volume of the bracket and insert this in paper space as shown. [33 marks]
Fig Q
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