CM 2105 TEST 1 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

CM 2105 TEST 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. B to A in NE
Answer:
do nothing

Question:
2. B to A in NW
Answer:
360-b

Question:
3. B to A in SW
Answer:
180+b

Question:
4. B to A in SE
Answer:
180-b

Question:
5. Discrepancy Ratio
Answer:
(forward-back)/mean

Question:
6. direct, direct and reverse, closing the horizon, traverse angles, layout
Answer:
Field angles measured

Question:
7. Elevation
Answer:
vertical distance above a zero datum

Question:
8. Benchmark
Answer:
permanent solid point of known elevation

Question:
9. Backsight

, Answer:
reading on a rod held on a point whose elevation is known

Question:
10. Foresight
Answer:
reading on a rod held on a point whose elevation is unknown

Question:
11. Turning point
Answer:
point used in differential leveling process to temporarily transfer the elevation from the HI

Question:
12. Closed loop
Answer:
to end a level loop at a known benchmark

Question:
13. HI
Answer:
BM + BS=

Question:
14. HI-FS=
Answer:
TP elev

Question:
15. Elevation + BS=
Answer:
HI

Question:
16. A to B (0-90deg)
Answer:
do nothing

Question:
17. A to B (180-270deg)
Answer:
a- 180. south west bearings

Question:
18. A to B (270-360deg)