Free Geodesy & Map Projections Questions and Answers

Question 1

What does geodesy primarily study?

Accepted Answer

Earth’s shape, position, and gravity field

Answer

Weather systems

Answer

Ocean currents

Answer

Atmospheric pressure

Question 2

Which model represents the Earth's surface for mapping and surveying?

Accepted Answer

Ellipsoid

Answer

Polygon mesh

Answer

Atmosphere layer

Answer

Gravity model

Question 3

What is a map projection?

Accepted Answer

A method for flattening Earth’s surface to a map

Answer

A type of satellite

Answer

A camera lens type

Answer

A geodetic datum

Question 4

Which type of map projection preserves area but distorts shape?

Accepted Answer

Equal-area projection

Answer

Conformal projection

Answer

Perspective projection

Answer

Orthophoto projection

Question 5

Which projection is commonly used for world maps and navigation charts?

Accepted Answer

Mercator projection

Answer

Gnomonic projection

Answer

Orthographic projection

Answer

Albers equal-area

Question 6

What is the function of a geodetic datum?

Accepted Answer

It defines positional references and coordinate systems

Answer

It tracks earthquakes

Answer

It generates topographic symbols

Answer

It processes image enhancement

Question 7

Which UTM zone covers New York City?

Accepted Answer

Zone 18N

Answer

Zone 14N

Answer

Zone 16N

Answer

Zone 22N

Question 8

What type of distortion is unavoidable when projecting Earth’s curved surface onto a flat map?

Accepted Answer

All of the above

Answer

Only distance

Answer

Only shape

Answer

Only area

Question 9

Which projection is best suited for mapping polar regions?

Accepted Answer

Azimuthal projection

Answer

Mercator projection

Answer

Polyconic projection

Answer

Sinusoidal projection