Essential Skills Manual - Steamfitter / Pipefitter - National Adult ...

NUMERACY
S-3
ESSENTIAL SKILLS STEAMFITTER/PIPEFITTER
INVENTORY NOC 7252
7. On the flange shown below, identify the labelled parts.
a) ADB _____________
b) ADC _____________
c) AD _____________
d) AC _____________
e) E _____________
8. Estimate the size of the angles as indicated on the elbow in Figure 1.
a) _______
b) _______
c) _______
d) _______
e) _______
f) _______
Figure 1
9. A bend is a fraction of a circle. The bend equals the fitting angle divided by
360°. Complete the figures missing from the following table:
Fitting Angle Complementary Angle Bend
90° 0° 1/4
72°
60° 30° 1/6
45°
22 ½°
11 ¼°
Page 18
Steamfitter/Pipefitter
NOC 7252