Invar tapes are made of an alloy of:
ANickel and steel
BCopper and steel
CTin and steel
DAluminium and steel
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Related Questions:
Finding the location of the station occupied by the table on the paper, by means of sighting to two well defined points whose locations have previously been plotted on the paper, is known as:
A clinometer Is used for:
If bearing of OA =32° and bearing of OB =112° then
The line of collimation should be parallel to:
Geodetic survey is applied if the area to be surveyed is more than