FUNDAMENTAL SURVEYING Surveying Equipment & GPS/GNSS 1

Question 1

What is the purpose of a 'prism constant' when using a total station with a prism?

Accepted Answer

To correct for the optical offset between the prism face and its mechanical center

Answer

To adjust for the magnetic deviation of the prism pole

Answer

To convert slope distance to horizontal distance

Answer

To account for atmospheric temperature at the prism

Question 2

What is 'stadia' in surveying?

Accepted Answer

An optical distance measurement method using the rod intercept between stadia crosshairs

Answer

A stadium-shaped survey control network

Answer

A unit of horizontal angle measurement

Answer

A type of photogrammetric target

Question 3

What is the function of an optical plummet on a total station?

Accepted Answer

To accurately center the instrument over a ground point

Answer

To sight the sun for astronomic azimuth

Answer

To level the circular bubble for rough leveling

Answer

To measure vertical angles without a target

Question 4

Which component of a total station measures the horizontal circle reading electronically?

Accepted Answer

The absolute encoder on the horizontal circle

Answer

The EDM module

Answer

The servo motor drive system

Answer

The tilt sensor compensator

Question 5

What does 'GNSS' stand for in modern surveying?

Accepted Answer

Global Navigation Satellite System

Answer

Geographic Navigation and Satellite Survey

Answer

Grid Network Survey System

Answer

Geodetic North Standard System

Question 6

What is 'RTK GPS' in surveying?

Accepted Answer

Real-Time Kinematic GPS providing cm-accuracy positions in real time via a base station correction link

Answer

A static GPS method requiring 24 or more hours of data collection

Answer

A GPS receiver that works only on road networks

Answer

A retroreflective target used with GPS surveys