App Logo

No.1 PSC Learning App

1M+ Downloads
Invar tapes are made of an alloy of:

ANickel and steel

BCopper and steel

CTin and steel

DAluminium and steel

Answer:

A. Nickel and steel


Related Questions:

W.C.B. of a survey line is determined using
The true bearing of a line is calculated as:
A clinometer Is used for:
The whole circle bearing of a survey line is 130°, its reduced bearing is:
Invar tape is used