Page 31 - WCS - Electrical

WORKSHOP CALCULATION & SCIENCE - CITS

3 Percentage of increase
= 36%
Value of increase
= 611.2 N/mm2
Original tensile strength

= ______ N/mm2.
4 Copper in alloy = 27 kg
Zinc in alloy = 18 kg

% of Copper
= _______ %

% of Zinc = _______%.
5 Weight of alloy = 140 Kgf
Weight of Sn 40%

Pb = ______ Kgf
Sn = ______ Kgf.
6 Shaded portion
= ______ %.

7 Compression length
= ______ %.

8 d = 360 mm
a = 0.707 x d

Wastage = ______ %.

9 Cu = 36 Kg
Zn = 24 Kg
Cu = ______ %

Zn = ______ %
10 Cu = 42.3 Kg
Sn = 2.7 Kg

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CITS : WCS - Electrical - Exercise 3