ETC ETC Surveying & Site Measurement

Question 1

What surveying instrument uses a rotating laser beam to establish a level reference plane on a job site?

Accepted Answer

Rotary laser level

Answer

Total station

Answer

GPS rover

Answer

Theodolite

Question 2

What does the term benchmark refer to in engineering surveying?

Accepted Answer

A known point of established elevation used as a reference

Answer

The starting line of a property survey

Answer

A temporary marker for excavation depth

Answer

A GPS coordinate anchor

Question 3

In a field traverse, what does closure error refer to?

Accepted Answer

The discrepancy between the starting and ending points of a closed loop survey

Answer

The depth of excavation below grade

Answer

The angular error in a single instrument setup

Answer

The difference between two benchmark elevations

Question 4

What unit is commonly used to express horizontal distances on US engineering drawings and surveys?

Accepted Answer

Feet and decimal feet (US survey foot)

Answer

Meters

Answer

Chains and links

Answer

Rods

Question 5

What does GPS stand for as used in modern surveying?

Accepted Answer

Global Positioning System

Answer

Ground Positioning Survey

Answer

Geodetic Precision Surveying

Answer

Geographic Point Selector

Question 6

Which type of survey is performed to establish or verify the legal boundaries of a parcel of land?

Accepted Answer

Boundary survey

Answer

Topographic survey

Answer

As-built survey

Answer

Construction staking survey