Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.
Question: Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.
[A].
constantan
invar
pewter metal
monel metal
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.