The truee ia londed se enown. 60 kN 120 kN 120 kN 120 kN Jm. 3m 6m 3m. Cnocen the magnituse (kN) ana type (tenaion or oompreeeion) of the foroe in member PE NOTE: Alwaye onoce two (2) anawere but if the member ie s zerofaroe member ohoce one (1) anawer only.

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Q: 181-2,4,0)m A0, 0-6) m Dl0,0, -3 )m w •10 KN ト

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Corrosion control methods

Corrosion may be defined as the method in which metals are attacked on their exteriors by gases existing in the atmosphere, converting them to their oxides, nitrides, sulfides, etc.