Angles W6 Quiz

1. 1A surveyor observes directions on both faces to 3 points (X, Y, and Z). Y is the RO at a bearing of about 95°, X is approximately southwest, and Z is about north (you may find it helpful to draw a diagram). Put these horizontal observations in the correct order:
   
   1 = [blank_start]LF to Y[blank_end]
   2 = [blank_start]LF to X[blank_end]
   3 = [blank_start]LF to Z[blank_end]
   4 = [blank_start]plunge telescope and rotate 180°[blank_end]
   5 = [blank_start]RF to Z[blank_end]
   6 = [blank_start]RF to X[blank_end]
   7 = [blank_start]RF to Y[blank_end]

   1. ALF to X
   2. BRF to X
   3. CLF to Y
   4. DRF to Y
   5. ELF to Z
   6. FRF to Z
   7. Gplunge telescope and rotate 180°
   8. HLF to X
   9. IRF to X
   10. JLF to Y
   11. KRF to Y
   12. LLF to Z
   13. MRF to Z
   14. Nplunge telescope and rotate 180°
   15. OLF to X
   16. PRF to X
   17. QLF to Y
   18. RRF to Y
   19. SLF to Z
   20. TRF to Z
   21. Uplunge telescope and rotate 180°
   22. VLF to X
   23. WRF to X
   24. XLF to Y
   25. YRF to Y
   26. ZLF to Z
   27. AARF to Z
   28. ABplunge telescope and rotate 180°
   29. ACLF to X
   30. ADRF to X
   31. AELF to Y
   32. AFRF to Y
   33. AGLF to Z
   34. AHRF to Z
   35. AIplunge telescope and rotate 180°
   36. AJLF to X
   37. AKRF to X
   38. ALLF to Y
   39. AMRF to Y
   40. ANLF to Z
   41. AORF to Z
   42. APplunge telescope and rotate 180°
   43. AQLF to X
   44. ARRF to X
   45. ASLF to Y
   46. ATRF to Y
   47. AULF to Z
   48. AVRF to Z
   49. AWplunge telescope and rotate 180°
2. 2Complete the following corresponding left face (LF) or right face (RF) horizontal or vertical angles readings. Do not show any units or ° symbols. Show degrees and minutes with a period between the degreees and minutes ie 264° 20' = 264.20
   
   LF Hz = 95°10' RF Hz = [blank_start]275.10[blank_end]
   
   LF Hz = 2° 50' RF Hz = [blank_start]182.50[blank_end]
   
   RF Hz = 181° 40' LF Hz = [blank_start]1.40[blank_end]
   
   LF ZA = 85° 20' RF ZA = [blank_start]274.40[blank_end]
   
   RF ZA = 260° 50' LF ZA = [blank_start]99.10[blank_end]
   
   LF ZA = 69° 03' RF ZA = [blank_start]290.57[blank_end]

   1. A275.10
   2. B182.50
   3. C1.40
   4. D274.40
   5. E99.10
   6. F290.57
3. 3A freely suspended plumb bob (or any weight) will hang parallel to which of the following theodolite instrument axes?

   1. ATrunnion
   2. BZenith
   3. CLine of collimation
   4. DTransit
   5. EHorizontal
   6. FVertical
4. 4The present magnetic declination is 24° 10' E and has been increasing at a rate of + 05' per year since records began. You are looking at a survey plan that is 120 years old. On that old plan a boundary line shows a magnetic bearing of 96° 00'.
   
   What is the true bearing of this boundary line? Show as DD.MM (eg 34.02)
   Hint: draw a well labelled diagram to solve this problem
   
   Answer: [blank_start]110.1[blank_end]

   1. A110.1
5. 5Put these angular quantities in increasing order (1= smallest, 5 = largest):
   
   1 = [blank_start]30 gon[blank_end]
   2 = [blank_start]500 mils[blank_end]
   3 = [blank_start]28.38°[blank_end]
   4 = [blank_start]28° 24'[blank_end]
   5 = [blank_start]0.5 radians[blank_end]

   1. A0.5 radians
   2. B500 mils
   3. C28° 24'
   4. D30 gons
   5. E28.38°
   6. F0.5 radians
   7. G500 mils
   8. H28° 24'
   9. I30 gons
   10. J28.38°
   11. K0.5 radians
   12. L500 mils
   13. M28° 24'
   14. N30 gons
   15. O28.38°
   16. P0.5 radians
   17. Q500 mils
   18. R28° 24'
   19. S30 gons
   20. T28.38°
   21. U0.5 radians
   22. V500 mils
   23. W28° 24'
   24. X30 gons
   25. Y28.38°
6. 6When you are levelling a theodolite you would first use the [blank_start][a][blank_end] bubble for approximate levelling and then the [blank_start][b][blank_end] bubble for fine levelling.

   1. Aplate
   2. Bcircular
   3. Cplate
   4. Dcircular
7. 7In the set of vertical readings below:
   
   [blank_start][a][blank_end] = the check (sum) value for P (show in D.MS, eg 21.3456)
   [blank_start][b][blank_end] = the correction for P (show in seconds with plus/minus, eg -12)
   [blank_start][c][blank_end] = the final value for P (show in D.MS, eg 21.3456)
   [blank_start][d][blank_end] = the final value for Q (in D.MS)
   [blank_start][e][blank_end] = the LF reading for R (in D.MS)
   [blank_start][f][blank_end] = the RF reading for R (in D.MS)

   

   1. A360.0010
   2. B-05
   3. C88.0229
   4. D95.3158
   5. E89.1451
   6. F270.4523
8. 8In the set of horizontal directions below
   
   [blank_start][a][blank_end] = mean reading to P (show just seconds in usual format, eg 02, 15, etc)
   [blank_start][b][blank_end] = mean reading to Q (show just seconds in usual format, eg 02, 15, etc)
   [blank_start][c][blank_end] = mean reading to R (show just seconds in usual format, eg 02, 15, etc)
   [blank_start][d][blank_end] = orientation correction (show just seconds in usual format and show a - for negative or a + for positive eg -02, +15, etc, )
   
   [blank_start][e][blank_end] = final reading to Q (show as D.MS, eg 174.3207)
   [blank_start][f][blank_end] = final reading to R (show as D.MS, eg 174.3207)

   

   1. A46
   2. B55
   3. C08
   4. D-11
   5. E174.2444
   6. F282.5657

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Quiz sobre Angles W6 Quiz, criado por MJhendo em 03-10-2015.

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MJhendo

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