Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength. Options: A . &nbspInvar B . &nbspHastealloy C . &nbspDuralumin D . &nbspMonel metal

Metallic surveying tapes are made of __________ which has a low co-efficient of

Question

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Options:

A . Invar

B . Hastealloy

C . Duralumin

D . Monel metal

Answer: Option A

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