1. A level surface to which elevation of different points are referred to is known as

2. A tilting level is used to measure

3. Barren of a fault is represented by

4. Every plan and section prepared or submitted, in accordance with the regulations should show

5. In a dumpy level the instrument is leveled

6. In a theodolite the line passing through the center of the cross-wires and optical center of the objective lens and its continuation is know as

7. Offset plans in respect of all existing workings below the surface features should be maintained in a scale of

8. One or more vertical mine section or sections are essentially required to be shown on underground mine plan when

9. Plain scales are designed to measure

10. slow motion to a theodolite is given using the