COSC 301 Exam 2 questions with
complete solutions
Interpolated Dimension - correct answer ✔✔The average of the two dimensions when establishing a
perpendicular control line for an existing building
Bucking In - correct answer ✔✔Series of adjustments so you can establish control lines for a building
addition
Batter Board - correct answer ✔✔-Used to establish a visible line of sight from which points and lines
can be transferred vertically
-May or may not be established on a particular grade
-Temporary
Stadia Interval or Difference - correct answer ✔✔Upper Stadia - Lower Stadia
Stadia Ratio - correct answer ✔✔1' : 100'
How many points must be on a control line? - correct answer ✔✔3
Diagonal Check - correct answer ✔✔- Pythagorean Theorem
- = 180 Degrees
When measuring with the transit where must you take your measurements from to minimize
measurement errors? - correct answer ✔✔From the ORIGINAL layout point
Back-Sights - correct answer ✔✔-Line of site along some known control line
-Used to establish baring for future layout
, Control Lines - correct answer ✔✔-Used as a primary reference for construction layout
-Often established by a professional surveyor
Over what distance requires you to create an Intermediate Shot (IS) location? - correct answer ✔✔If a BS
or FS exceeds 200' or a total of 400' between stations
What are two things needed when setting up the Theodolite? - correct answer ✔✔Must be Level and
Over a Specific Point
Which level do you focus first when setting up the Theodolite? - correct answer ✔✔Fish Eye Level
Vertical Lock and Adjustment
- Inside ring locks optical scope
- Outside ring allows you to adjust up and down on the target
- Serious damage if over twisted - correct answer ✔✔
Tube Level - correct answer ✔✔Used after fisheye level for more accuracy
LED Display
- Top reading shows Vertical Measurement
- Bottom reading shows Horizontal
- F1-F4 are used to scroll through screen - correct answer ✔✔
Back of Optical Scope
- Allows you to focus cross-hairs - correct answer ✔✔
complete solutions
Interpolated Dimension - correct answer ✔✔The average of the two dimensions when establishing a
perpendicular control line for an existing building
Bucking In - correct answer ✔✔Series of adjustments so you can establish control lines for a building
addition
Batter Board - correct answer ✔✔-Used to establish a visible line of sight from which points and lines
can be transferred vertically
-May or may not be established on a particular grade
-Temporary
Stadia Interval or Difference - correct answer ✔✔Upper Stadia - Lower Stadia
Stadia Ratio - correct answer ✔✔1' : 100'
How many points must be on a control line? - correct answer ✔✔3
Diagonal Check - correct answer ✔✔- Pythagorean Theorem
- = 180 Degrees
When measuring with the transit where must you take your measurements from to minimize
measurement errors? - correct answer ✔✔From the ORIGINAL layout point
Back-Sights - correct answer ✔✔-Line of site along some known control line
-Used to establish baring for future layout
, Control Lines - correct answer ✔✔-Used as a primary reference for construction layout
-Often established by a professional surveyor
Over what distance requires you to create an Intermediate Shot (IS) location? - correct answer ✔✔If a BS
or FS exceeds 200' or a total of 400' between stations
What are two things needed when setting up the Theodolite? - correct answer ✔✔Must be Level and
Over a Specific Point
Which level do you focus first when setting up the Theodolite? - correct answer ✔✔Fish Eye Level
Vertical Lock and Adjustment
- Inside ring locks optical scope
- Outside ring allows you to adjust up and down on the target
- Serious damage if over twisted - correct answer ✔✔
Tube Level - correct answer ✔✔Used after fisheye level for more accuracy
LED Display
- Top reading shows Vertical Measurement
- Bottom reading shows Horizontal
- F1-F4 are used to scroll through screen - correct answer ✔✔
Back of Optical Scope
- Allows you to focus cross-hairs - correct answer ✔✔
