020301hB Survey Equipment - Part B Flashcards
Are actual fence locations located on a real property report?
Yes
Building bylaws are established by:
Accredited agencies
How would townhouses be most likely indicated on a land use district map?
R2
What must be posted at each building site?
Building permit card
What is a legal plan?
Accurate record of the survey markers
What does the abbreviation āH.Iā refer?
The elevation of the line of sight when the instrument is level.
What is a horizontal tangent screw used for on a levelling instrument?
Makes fine adjustments in a horizontal direction.
What is the purpose of the horizontal tangent screw as found in transit survey instruments?
Finely adjusts the instrument in a horizontal direction.
Describe a optical plummet?
The optical plummet allows the instrument to be set over a specific point. No need for plumb bob.
Describe the upper horizontal tangent screw.
The upper horizontal tangent screw is used to precisely set the main scale to zero or to precisely sight in an exact angle.
What does the circular level do in regards to a transit.
Rough level
What does the lower tangent clamp knob do?
Clamp the main scale to the base so that the lower tangent screw can be employed to fine adjust
Describe the function of a microscope on a theodolite.
The micrometer is viewed through the microscope.
Describe the function of the straight vial in relation to the theodolite.
To precisely level the instrument.
Describe the micrometer adjustment knob?
It is used to set the micrometer to 0 during initial set-up or to set the micrometer to a particular angle during angle reading.
