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Which of the following materials is not used in making rivets?(a) Wrought iron(b) Mild steel(c) Brass(d) Calcium |
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Answer» Right choice is (d) Calcium For explanation I would say: Among the following, calcium is not used the riveting process. For the making of rivets, the used materials are wrought iron and mild steels. There are other materials also used in it, but they are used for small works, such as brass, copper and aluminium. |
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