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Quiz

Week 4 - Levelling

MJhendo 12 perguntas

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Perguntas do quiz (12)

  1. 1Balancing your levelling backsight and forsights will tend to eliminate which of the following problems?
    1. ACurvature and Refraction
    2. BInstrument Collimation
    3. CParallax
    4. DTotal Misclose
    5. EAutomatic Compensator Sticking
  2. 2The checks you must make when reducing your level fieldnotes are:
    1) calc'ing the sum of the [blank_start][a][blank_end] - the sum of the FS's,
    2) calc'ing the sum of the [blank_start][b][blank_end] - the sum of the [blank_start][c][blank_end],
    3) subtracting the [blank_start][d][blank_end] RL from the starting RL
    If all three numbers are identical (and same sign), you can adjust out the total misclose. This is done by spreading the adjustment out by dividing the misclose by the number of [blank_start][e][blank_end]. The sign of each individual adjustment (±) will be the [blank_start][f][blank_end] the sign of the total misclose.
    1. ABS's
    2. BHPC
    3. Csame as
    4. Dbeginning
    5. Esetups
    6. Freadings
    7. GIS's
    8. Hfalls
    9. Iopposite of
    10. Jend
    11. Krises
    12. Ladjusted
    13. MBS's
    14. NHPC
    15. Osame as
    16. Pbeginning
    17. Qsetups
    18. Rreadings
    19. SIS's
    20. Tfalls
    21. Uopposite of
    22. Vend
    23. Wrises
    24. Xadjusted
    25. YBS's
    26. ZHPC
    27. AAsame as
    28. ABbeginning
    29. ACsetups
    30. ADreadings
    31. AEIS's
    32. AFfalls
    33. AGopposite of
    34. AHend
    35. AIrises
    36. AJadjusted
    37. AKBS's
    38. ALHPC
    39. AMsame as
    40. ANbeginning
    41. AOsetups
    42. APreadings
    43. AQIS's
    44. ARfalls
    45. ASopposite of
    46. ATend
    47. AUrises
    48. AVadjusted
    49. AWBS's
    50. AXHPC
    51. AYsame as
    52. AZbeginning
    53. BAsetups
    54. BBreadings
    55. BCIS's
    56. BDfalls
    57. BEopposite of
    58. BFend
    59. BGrises
    60. BHadjusted
    61. BIBS's
    62. BJHPC
    63. BKsame as
    64. BLbeginning
    65. BMsetups
    66. BNreadings
    67. BOIS's
    68. BPfalls
    69. BQopposite of
    70. BRend
    71. BSrises
    72. BTadjusted
  3. 3Match up the instruments with the most appropriate quantities measured:

    Question:
    Theodolite = [blank_start]horizontal and vertical angles[blank_end]

    Level = [blank_start]differences in height[blank_end]

    Barometer = [blank_start]differences in height[blank_end]

    EDM = [blank_start]distance[blank_end]

    Abney level = [blank_start]vertical angle[blank_end]

    GPS = [blank_start]3D Position[blank_end]

    Total Station = [blank_start]angles and distances[blank_end]

    Compass = [blank_start]magnetic bearing[blank_end]
    1. Aabsolute height
    2. Bvertical angle
    3. Cdistance
    4. Dangles and distances
    5. Ehorizontal and vertical angles
    6. Fmagnetic bearing
    7. Gdifferences in height
    8. H3D position
    9. Iabsolute height
    10. Jvertical angle
    11. Kdistance
    12. Langles and distances
    13. Mhorizontal and vertical angles
    14. Nmagnetic bearing
    15. Odifferences in height
    16. P3D position
    17. Qabsolute height
    18. Rvertical angle
    19. Sdistance
    20. Tangles and distances
    21. Uhorizontal and vertical angles
    22. Vmagnetic bearing
    23. Wdifferences in height
    24. X3D position
    25. Yabsolute height
    26. Zvertical angle
    27. AAdistance
    28. ABangles and distances
    29. AChorizontal and vertical angles
    30. ADmagnetic bearing
    31. AEdifferences in height
    32. AF3D position
    33. AGabsolute height
    34. AHvertical angle
    35. AIdistance
    36. AJangles and distances
    37. AKhorizontal and vertical angles
    38. ALmagnetic bearing
    39. AMdifferences in height
    40. AN3D position
    41. AOabsolute height
    42. APvertical angle
    43. AQdistance
    44. ARangles and distances
    45. AShorizontal and vertical angles
    46. ATmagnetic bearing
    47. AUdifferences in height
    48. AV3D position
    49. AWabsolute height
    50. AXvertical angle
    51. AYdistance
    52. AZangles and distances
    53. BAhorizontal and vertical angles
    54. BBmagnetic bearing
    55. BCdifferences in height
    56. BD3D position
    57. BEabsolute height
    58. BFvertical angle
    59. BGdistance
    60. BHangles and distances
    61. BIhorizontal and vertical angles
    62. BJmagnetic bearing
    63. BKdifferences in height
    64. BL3D position
  4. 4You have just set an automatic level up to begin your level run. With regard to a levelling setup put these statements in the order they would occur in your levelling task:

    Answers:
    1. [blank_start]Observe back-sight[blank_end]
    2. [blank_start]Move staff[blank_end]
    3. [blank_start]Observe intermediate sight[blank_end]
    4. [blank_start]Move staff again[blank_end]
    5. [blank_start]Observe fore-sight[blank_end]
    6. [blank_start]Move instrument and change setup[blank_end]
    1. AMove staff again
    2. BObserve intermediate sight
    3. CMove instrument and change setup
    4. DMove staff
    5. EObserve back-sight
    6. FObserve fore-sight
    7. GMove staff again
    8. HObserve intermediate sight
    9. IMove instrument and change setup
    10. JMove staff
    11. KObserve back-sight
    12. LObserve fore-sight
    13. MMove staff again
    14. NObserve intermediate sight
    15. OMove instrument and change setup
    16. PMove staff
    17. QObserve back-sight
    18. RObserve fore-sight
    19. SMove staff again
    20. TObserve intermediate sight
    21. UMove instrument and change setup
    22. VMove staff
    23. WObserve back-sight
    24. XObserve fore-sight
    25. YMove staff again
    26. ZObserve intermediate sight
    27. AAMove instrument and change setup
    28. ABMove staff
    29. ACObserve back-sight
    30. ADObserve fore-sight
    31. AEMove staff again
    32. AFObserve intermediate sight
    33. AGMove instrument and change setup
    34. AHMove staff
    35. AIObserve back-sight
    36. AJObserve fore-sight
  5. 5Calculate the RL of the outflow invert of manhole MH1 if:
    (a) the RL of BM 100 is 98.677,
    (b) the BS to BM 100 is 1.443, and
    (c) the FS to CP2 is 2.422.

    Answer in metres to 3dp without units

    Answer: [blank_start]96.586[blank_end]    Imagem da pergunta 5
    1. A96.586
  6. 6Using these level fieldnotes determine the HPC RL of the second instrument setup when taking a FS to CP2. Your BS reading to TBM 24B is 1.061. Show your answer to 3 dp and show no units.

    Answer is: [blank_start]36.350[blank_end]    Imagem da pergunta 6
    1. A36.350
  7. 7On this diagram, match up the numbers with the terms below.

    Back-sight = [blank_start]5[blank_end]
    Fore-sight = [blank_start]7[blank_end]
    Bench-mark = [blank_start]1[blank_end]
    Change point = [blank_start]3[blank_end]
    Intermediate sight = [blank_start]6[blank_end]
    Reduced level = [blank_start]4[blank_end]
    Sight distance = [blank_start]8[blank_end]
    Instrument set up point = [blank_start]2[blank_end]    Imagem da pergunta 7
    1. A1
    2. B2
    3. C3
    4. D4
    5. E5
    6. F6
    7. G7
    8. H8
    9. I1
    10. J2
    11. K3
    12. L4
    13. M5
    14. N6
    15. O7
    16. P8
    17. Q1
    18. R2
    19. S3
    20. T4
    21. U5
    22. V6
    23. W7
    24. X8
    25. Y1
    26. Z2
    27. AA3
    28. AB4
    29. AC5
    30. AD6
    31. AE7
    32. AF8
    33. AG1
    34. AH2
    35. AI3
    36. AJ4
    37. AK5
    38. AL6
    39. AM7
    40. AN8
    41. AO1
    42. AP2
    43. AQ3
    44. AR4
    45. AS5
    46. AT6
    47. AU7
    48. AV8
    49. AW1
    50. AX2
    51. AY3
    52. AZ4
    53. BA5
    54. BB6
    55. BC7
    56. BD8
    57. BE1
    58. BF2
    59. BG3
    60. BH4
    61. BI5
    62. BJ6
    63. BK7
    64. BL8
  8. 8This is a diagram of a reciprocal levelling setup from your Uren and Price book. Using the following staff readings compute the RL of B given A has an RL of 50.000m. Show your answer in metres to 3dp and do not show any units.

    Staff readings @ I1 A = 0.456 B = 1.251

    Staff readings @ I2 B = 1.601 A = 0.781

    Answer: [blank_start]49.193[blank_end]    Imagem da pergunta 8
    1. A49.193
  9. 9If the RL of TBM A is 20.005m and the staff reading to 'Y' is -2.967m, what is the RL of the underside of the bridge 'Y'? Show your answer in m to 3dp. Do not show any units.

    Answer: [blank_start]22.822[blank_end]    Imagem da pergunta 9
    1. A22.822
  10. 10Pick the best word to complete the following sentence -

    An automatic level has a [blank_start][a][blank_end] as an integral part of the instrument. If the level telescope is tilted slightly, this mechanism uses a series of [blank_start][b][blank_end] to adjust the axis of [blank_start][d][blank_end] to remain along a [blank_start][e][blank_end] line.
    1. Alevel
    2. Bvertical
    3. Cprisms
    4. Dcompensator
    5. Ecrosshairs
    6. Fhorizontal
    7. Gcollimation
    8. Hlevel
    9. Ivertical
    10. Jprisms
    11. Kcompensator
    12. Lcrosshairs
    13. Mhorizontal
    14. Ncollimation
    15. Olevel
    16. Pvertical
    17. Qprisms
    18. Rcompensator
    19. Scrosshairs
    20. Thorizontal
    21. Ucollimation
    22. Vlevel
    23. Wvertical
    24. Xprisms
    25. Ycompensator
    26. Zcrosshairs
    27. AAhorizontal
    28. ABcollimation

Informações

Descrição
Quiz sobre Week 4 - Levelling, criado por MJhendo em 26-09-2015.
Autor
MJhendo
Idioma
English
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