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Arrange the order of permanent adjustments of a theodolite
I. plate level test
II. cross-hair ring test
III. bubble tube adjustment test
IV. spire test
V. collimation in azimuth test
VI. vertical are test
  • a)
    I - IV - II - III - VI 
  • b)
    III - II - I - IV - VI 
  • c)
    II - I - V - IV - VI - III 
  • d)
    I - II - V- IV - III - VI
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Arrange the order of permanent adjustments of a theodoliteI. plate lev...
The permanent adjustment is made to establish the fixed relationships between the fundamental lines of the instrument, and once made, they last for a long time.
The following are the permanent adjustments in a sequential manner in transit Theodolites:
  • Adjustment of the Horizontal Plate Levels
  • Cross-Hair ring test: This test is done to make the vertical crosshair lie in a plane perpendicular to the horizontal axis.
  • Collimation Adjustment (or Azimuth test): Azimuth test is done It is done to make the line of sight perpendicular to the horizontal axis.
  • Horizontal Axis Adjustment (Spire test) – The spire test is carried out to remove errors due to non-perpendicular of the horizontal axis and the vertical axis in the surveying Instrument.             
  • Adjustment of the Telescope Level or the Altitude level/bubble tube level.
  • Vertical Circle Index Adjustment (Vertical arc test): Vertical arc test is done to make the vertical circle indicate zero when the line of sight is perpendicular to the vertical axis.
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Community Answer
Arrange the order of permanent adjustments of a theodoliteI. plate lev...
The correct order of permanent adjustments of a theodolite is:

I. Plate level test
II. Cross-hair ring test
III. Bubble tube adjustment test
IV. Spire test
V. Collimation in azimuth test
VI. Vertical arc test

Explanation of the correct order:

I. Plate level test:
- The plate level test is performed to ensure that the theodolite's plate level is properly adjusted.
- This adjustment ensures that the horizontal axis of the theodolite is perpendicular to the vertical axis.

II. Cross-hair ring test:
- The cross-hair ring test is conducted to check the accuracy of the cross-hairs in the theodolite.
- It ensures that the cross-hairs are truly horizontal and perpendicular to the vertical axis.

III. Bubble tube adjustment test:
- The bubble tube adjustment test is carried out to verify the accuracy of the theodolite's bubble tube.
- It ensures that the bubble in the tube is centered when the instrument is properly leveled.

IV. Spire test:
- The spire test is performed to check the accuracy of the theodolite's vertical axis.
- It ensures that the vertical axis is truly vertical, without any deviation.

V. Collimation in azimuth test:
- The collimation in azimuth test is conducted to verify the collimation error of the theodolite.
- It ensures that the line of sight of the telescope is parallel to the horizontal axis of the theodolite.

VI. Vertical arc test:
- The vertical arc test is carried out to check the accuracy of the theodolite's vertical arc.
- It ensures that the graduations on the vertical arc correspond accurately to the vertical angles.

In summary, the correct order of permanent adjustments of a theodolite is I - II - III - IV - V - VI, as given in option 'D'.
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Arrange the order of permanent adjustments of a theodoliteI. plate level testII. cross-hair ring testIII. bubble tube adjustment testIV. spire testV. collimation in azimuth testVI. vertical are testa)I - IV - II - III - VIb)III - II - I - IV - VIc)II - I - V - IV - VI - IIId)I - II - V- IV - III - VICorrect answer is option 'D'. Can you explain this answer?
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Arrange the order of permanent adjustments of a theodoliteI. plate level testII. cross-hair ring testIII. bubble tube adjustment testIV. spire testV. collimation in azimuth testVI. vertical are testa)I - IV - II - III - VIb)III - II - I - IV - VIc)II - I - V - IV - VI - IIId)I - II - V- IV - III - VICorrect answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Arrange the order of permanent adjustments of a theodoliteI. plate level testII. cross-hair ring testIII. bubble tube adjustment testIV. spire testV. collimation in azimuth testVI. vertical are testa)I - IV - II - III - VIb)III - II - I - IV - VIc)II - I - V - IV - VI - IIId)I - II - V- IV - III - VICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Arrange the order of permanent adjustments of a theodoliteI. plate level testII. cross-hair ring testIII. bubble tube adjustment testIV. spire testV. collimation in azimuth testVI. vertical are testa)I - IV - II - III - VIb)III - II - I - IV - VIc)II - I - V - IV - VI - IIId)I - II - V- IV - III - VICorrect answer is option 'D'. Can you explain this answer?.
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