1. If in a length of one 100m chain along a slope, the ground rises 5m, find the correction factor for 1 chain length.
2. The arithmetic sum of eastings should be equal to arithmetic sum of . . . . . . . .
3. The observed bearings of line QR is S 12° 24' E, the back bearing of line is
4. Basic concept behind GPS
5. The FB of a line is 262, its back bearing . . . . . . . .
6. The advantage of 'Y' level over a dumpy level is that its . . . . . . . . adjustments can be carried out indoors very easily and rapidly.
7. It is a minor instrument capable of measuring angles upto 120° and reads to 1 min.
8. The FB of a line AB is 55° and the BB of BC is 342°. The included angle ABC is
9. The magnetic bearing of line is 49° 30'. The true bearing of the line if magnetic declination is 4° 30' east is . . . . . . . .
10. The negative latitude is called as . . . . . . . .
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