LSIT Measurement Technology

Question 1

What is EDM?

Accepted Answer

Technology using electromagnetic waves to measure distances accurately

Answer

Electromagnetic waves determine distance between points.

Question 2

How are horizontal distances from slope distances calculated?

Accepted Answer

Multiply slope distance by cosine of vertical angle

Answer

Trigonometry converts slope to horizontal measurement.

Question 3

What is a total station?

Accepted Answer

Instrument combining EDM, angle measurement, and computing

Answer

This single device does multiple measurement tasks.

Question 4

What is GPS/GNSS surveying?

Accepted Answer

Using satellite signals for precise 3D positions on earth

Answer

Satellites provide precise positioning from space.

Question 5

What is differential leveling?

Accepted Answer

Determining elevation differences using backsight/foresight readings

Answer

This technique finds height differences between points.

(LSIT) Land Surveyor in Training Practice Test