QUESTION 1: ISOMETRIC
FIGURE 1 shows two views of a tool holder drawn in third-angle
orthographic projection.
Do not draw the given views.
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1.1
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Construct a suitable isometric scale.
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(3)
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1.2
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Below the isometric scale, draw an isometric projection of the holder.
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(10)
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No hidden detail is required.
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FIGURE
1
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[13]
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QUESTION 2: ASSEMBLY DRAWING
FIGURE 2 (next page) shows the
primary views of the components of a Footstep bearing.
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The complete list of parts is
as follows:
Item 1……………..base…………………………..1
off………………………cast iron
Item 2……………..body…………………………..1
off……………………...cast iron
Item 3……………..bush…………………………..1
off……………………...bronze
Item 4……………..shaft…………………………..1
off……………………...brass
Item 5 …………….M16 hexagonal head
bolt…..1 off……………………..mild steel
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2.1
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Draw as an assembly drawing, according to scale 1:2, a full
sectional front view of the assembly.
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(20)
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2.2
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Insert any five dimensions on the assembly drawing.
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(5)
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2.3
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Insert the item numbers on the assembly view.
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(3)
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2.4
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Insert a suitable title and scale centrally below the drawing.
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(2)
[30]
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Figure 2
QUESTION 3: DETAILED DRAWING
FIGURE 3 shows three views of
the assembly of a drive head.
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Draw, according to scale 1:1 and in FIRST-ANGLE ORTHOGRAPHIC
PROJECTION, detailed drawings of the following parts: (Show all hidden
detail)
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3.1
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The pipe clamp (item 1)
showing the following views:
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3.1.1
3.1.2
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A full sectional front view with the left half in section
A Left view
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(10)
(10)
[20]
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Figure 3
QUESTION
4: INTERPENETRATION
FIGURE
4 shows, in first-angle orthographic projection, an incomplete front view and
left view of a round pipe interpenetration.
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4.1
4.2
4.3
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Draw the TWO given views to scale 1:1
Complete the front view by plotting the curve
of interpenetration.
Show all the projection lines.
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(2)
(8)
(2)
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FIGURE 4
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[12]
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QUESTION 5: DEVELOPMENT
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FIGURE 5 below shows a square based sheet metal pyramid
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5.1
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Make us of a scale of 1:1 and develop the square based sheet metal
pyramid
by using the radial line development method.
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[10]
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