$1-$What method is commonly used and preferred by surveyors and engineers to display relief on a map?

Group of answer choices

contours

digital elevation models

color and hachures

shading and tinting

$2-$Mapping surveys are conducted by:

Group of answer choices

aerial, ground, and combination of both

aerial only

ground only

photogrammetric only

$3-$As photogrammetry is increasing in accuracy and decreasing in price, ground surveys are no longer necessary when preparing construction documents for a roadway.

Group of answer choices

True

False

$4-$What is a DTM or digital terrain model?

R$-$

$5-$Identifying and modeling breaklines can significantly improve the accuracy of a Triangulated Irregular Network $($TIN$)$ model and associated contours. Which of the following are examples of controlling features or breaklines.

Group of answer choices

edge of ditch

lakes

wetlands

potholes

$6-$What is a contour?

R$-$

$7-$Why are spot elevations shown on a map?

R$=$

$8-$What rule does the $50-$ft contour violate?

$46293068$

R$-$

$9-$What determines the field method using in a mapping survey?

R$-$

$10-$What is a hydrographic survey?

R$-$