Marks
EITHER
2. Figure 2 shows the elevation of a sheet metal cowl (or coverplate) formed from
the surface of half the frustum of a cone and attached to a circular duct.
Draw, to a scale of 1 inch representing 1 foot, the following views:—
(a) the given elevation; (3)
(b) an end elevation, including a short portion of the duct, viewed in the
direction of the arrow X; (13)
(c) a plan. (19)
Hidden and construction lines should remain on the drawing.
OR
3. A solid is made up from the frustum of a cone, a regular octagonal shaped
facing and a triangular prism. A recess is formed in the solid with a semi¬
circular shaped soffit.
Figure 3 shows the incomplete elevation and the plan of this solid.
Draw, full size, the following views:—
(a) a complete elevation showing the curve of interpenetration A-B; 0)
(b) an end elevation in the direction of the arrow X;
(c) a sectional plan on S-N.
Hidden and construction lines should remain on the drawing.
(C41634—1)
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