A3e551 Vol 3 CDC

124 Questions | Total Attempts: 158

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A3e551 Quizzes & Trivia

Questions and Answers
  • 1. 
    If you walk 100 meters four times, counting only your right foot, and find an average pacecount of 68, what is your stride?
    • A. 

      1.4

    • B. 

      1.47

    • C. 

      2.94

    • D. 

      3

  • 2. 
    When laying out a large area for a block of tents, what is the first thing to consider?
    • A. 

      Make sure the baseline does not cross a restricted area.

    • B. 

      Be familiar with the desired layout and the surrounding area.

    • C. 

      Make sure to have at least three people helping with the taping process

    • D. 

      Make sure the tent block is far enough away from the runway clear zone.

  • 3. 
    The best targets to use for accurate measurement with a laser range finder should have ashiny finish
    • A. 

      Be brightly colored, be perpendicular, and well lit.

    • B. 

      Be well lit, be brightly colored, and be parallel.

    • C. 

      Be brightly colored, be parallel, and well lit.

    • D. 

      Be perpendicular, be brightly colored.

  • 4. 
    When using the laser range finder how many shots does it prompt you to take in order to getthe height measurement of an object?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 5. 
    The four component systems that make up a total station are the
    • A. 

      Tribrach, the electronic distance measurement (EDM) system, the electronic angle measurement system, and the microprocessor.

    • B. 

      Telescope, the EDM, the electronic angle measurement system, and the microprocessor.

    • C. 

      Tribrach, the EDM, the electronic angle measurement system, and the faceplate.

    • D. 

      Tribrach, the EDM, the vertical circle system, and the microprocessor.

  • 6. 
    What part of the tribrach provides a line-of-sight that is directed downward, collinear withthe vertical axis of the instrument?
    • A. 

      Telescope.

    • B. 

      Vertical circle.

    • C. 

      Optical plummet.

    • D. 

      Dual-axis compensator.

  • 7. 
    The automatic compensator in the total station aligns the vertical circle so that
    • A. 

      270o is oriented precisely upward in the opposite the direction of gravity.

    • B. 

      90o is oriented precisely upward in the opposite the direction of gravity

    • C. 

      90o is oriented precisely upward toward the zenith

    • D. 

      0o is oriented precisely upward toward the zenith

  • 8. 
    What total station component allows data transfer to a computer workstation?
    • A. 

      Faceplate.

    • B. 

      Microprocessor

    • C. 

      Wireless modem

    • D. 

      Communication port

  • 9. 
    After attaching a tribrach to a tripod, the first thing you verify is that the tribrach’s
    • A. 

      Bottom plate is centered.

    • B. 

      Optical plummet is centered

    • C. 

      Adjustment posts are centered

    • D. 

      Adjustment posts are tightened

  • 10. 
    Which statement about total station care and maintenance is not correct?
    • A. 

      Do not carry the instrument while it is mounted to the tripod.

    • B. 

      Keep lenses and reflectors clean using lens paper or optic cloth

    • C. 

      Carry the instrument by the telescope when not mounted to the tripod

    • D. 

      Do not rotate the instrument by the handle when it is equipped with servo controls

  • 11. 
    What organization tracks on-base equipment requiring high precision and adjustment?
    • A. 

      Precision Measurement Equipment Commission (PMEC).

    • B. 

      Precision Measurement Equipment Laboratory (PMEL)

    • C. 

      Precision Measurement Equipment Authority (PMEA)

    • D. 

      Precision Measurement Equipment Liaison (PMEL)

  • 12. 
    What are the three significant stations needed to turn an angle with a total station?
    • A. 

      Rear station, current station, forward station.

    • B. 

      Rear station, occupied station, forward station.

    • C. 

      Back sight station, current station, fore sight station

    • D. 

      Back sight station, occupied station, fore sight station.

  • 13. 
    What is the best reason why it is considered professional practice to maintain a surveynotebook even though the survey controller collects survey data?
    • A. 

      Batteries can die and there should be a backup.

    • B. 

      Survey notes in some circumstances can become legal documents

    • C. 

      It can be confusing to keep track of all the numbers in a survey controller.

    • D. 

      In case you lose track of where you left off on a survey from the previous day.

  • 14. 
    What type of error occurs when the optical axis of the total station is not exactlyperpendicular to the telescope axis?
    • A. 

      Horizontal collimation error.

    • B. 

      Height of standards error

    • C. 

      Circle graduation error

    • D. 

      Circle eccentricity

  • 15. 
    What type of error is caused by direct sunlight
    • A. 

      Heat reflection

    • B. 

      Light ray refraction

    • C. 

      Horizontal refraction

    • D. 

      Differential temperature

  • 16. 
    When referring to errors that affect angle observations phase is
    • A. 

      Vertical refraction

    • B. 

      Unequal illumination of a target

    • C. 

      Horizontal bending of light rays

    • D. 

      Differential temperatures in the instrument

  • 17. 
    In surveying, what does the process of leveling involve?
    • A. 

      Verifying the location of one point based on another

    • B. 

      Verifying the elevation of one point based on another

    • C. 

      Establishing the location of one point based on another

    • D. 

      Establishing the elevation of one point based on another

  • 18. 
    What does the auto level use to achieve automatic compensation?
    • A. 

      Magnetic axis

    • B. 

      Optical pendulum

    • C. 

      Telescopic magnet

    • D. 

      Dual axis compensator

  • 19. 
    How can you verify that the auto level is level after adjusting the leveling screws?
    • A. 

      Slowly rotate the level 360° to check for level

    • B. 

      Slowly rotate the level 270° to check for level

    • C. 

      Slowly rotate the level 90° to check for level

    • D. 

      Rotate the level 90° to check for level.

  • 20. 
    Which component of the autolevel helps align the cross hairs on a point?
    • A. 

      A collimator

    • B. 

      A tangent screw

    • C. 

      A focusing knob

    • D. 

      A leveling adjustment

  • 21. 
    The two most common types of laser level are
    • A. 

      Single beam and visible line

    • B. 

      Visible line and invisible line

    • C. 

      Rotating beam and visible line

    • D. 

      Single beam and rotating beam

  • 22. 
    Which of the following uses a series of circles and spheres to locate a point?
    • A. 

      Trilateration

    • B. 

      Triangulation

    • C. 

      Multilateration

    • D. 

      Observer calculation

  • 23. 
    Which of the following is not a Global Positioning System (GPS) segment?
    • A. 

      User

    • B. 

      Space

    • C. 

      Control

    • D. 

      Satellite

  • 24. 
    What information is contained in an ephemeris file?
    • A. 

      Radio signal frequencies and satellite position at a given time

    • B. 

      Satellite position and precise time the data left the satellite

    • C. 

      Precise time the data left the satellite and radio signals

    • D. 

      Location data and specific radio signal frequencies

  • 25. 
    What system on the earth’s surface ensures users receive accurate satellite information?
    • A. 

      User

    • B. 

      Space

    • C. 

      Control

    • D. 

      Satellite

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