Textbook of Engineering Drawing, Second Edition

(Jacob Rumans) #1

7.14 Textbook of Enginnering Drawing------------------


Problem 15 : Figure 7.15a shows a rec;tangualr scoop with allowance for lap-seam and


Figure 7.15b shows the development of the above with dimensions.

E H

H
150 a
G 8

G

DEVELOPMENT

(al (bl

Fig. 7.15 Rectangular Scoop

Problem: Figure 7.16a shows the pictorial view of a rectangular 90° elbow and Figure
7.16b its development in two parts. E
,---,''''---,

ll----'l;.;----t

K~----t

J I-----"lf F


a
E E

p p

A^8 c o A
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Fig. 7.16 Development of 90° Elbow (Rectangular)
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