21 Questions
What is the main advantage of pacing as a method for measuring distance?
It is a simple and easy method
In surveying, what does 'pacing' involve?
Walking the distance and counting steps
Which type of correction is required in taping when the tape length is incorrect?
Correction due to incorrect tape length
What is the correction needed in taping when there is an incline or decline on the ground?
Correction due to slope
How does pacing as a method for measuring distance compare to other methods?
Pacing is simple but not very precise
What is a common source of instrumental errors in leveling?
Defective tripod
Which personal error can lead to inaccurate leveling readings?
Parallax
What type of natural error is associated with leveling?
Temperature variations
Which element is NOT a typical source of error in leveling?
A pointed piece of metal attached at the end of a tripod
What should be avoided to prevent instrumental errors in leveling?
Forcing the tripod into the ground by stepping on it
What is the purpose of the objective lens in a telescope?
To allow light rays to form an image of the object sighted
What is the function of cross hairs in a telescope?
To define the instrument's line of sight
What does magnification in a telescope refer to?
The ratio of an object's size viewed through the telescope to its unaided eye size
What is the main function of a level vial in surveying instruments?
To ensure the instrument is level
What does a coincidence bubble tripod serve as?
A base to prevent movement of the instrument after it is set up
What is the purpose of a leveling rod in surveying?
To measure vertical distances between a leveling instrument and a point
What is the main difference between a Self-Reading Rod and a Target Rod?
The presence of a sliding target
Which city or state is NOT mentioned as being associated with a specific type of leveling rod?
New York
What distinguishes Chicago Rod from Philadelphia Rod?
The number of sections
What feature makes Precise Rod different from other types of rods mentioned?
It has higher magnification capabilities
Which type of rod is suitable for longer distances according to the text?
Chicago Rod
Test your knowledge on the advantages and disadvantages of using pacing as a method for measuring horizontal distances. Understand how pacing involves walking a distance and counting steps to determine the length.
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