1. In plane scale it is possible to read only
2. The principle of surveying followed to prevent accumulation of error is
3. Scale of chord is used to measure
4. Survey constructed to choose the best location for the work is
5. In India geodetic surveys are conducted by
6. 1 foot =
7. 1 are is equal to
-
2
8. Which survey is used to determine different strata in the earth's crust
9. 1 nautical mile is equal to
10. The zero mean sea level in India is taken near
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