Deck 15: Level Transit, Elevations and Grade

Question 1

Leveling screws are tightened before storing the builder's transit and level.

Answer 1

False

Question 2

A(n)______________ is an overhead view of a property, drawn to scale, showing the location of buildings, streets, sidewalks, alleys, and easements for utilities.

A)contour plan
B)grade plan
C)site plan
D)elevation plan

Answer 2

C

Question 3

____________________ is the measurement of the steepness, incline, or grade of a straight line.

A)Benchmark
B)Height of Instrument
C)Elevation
D)Slope

Answer 3

D

Question 4

Common drafting practice uses ____________________ lines for existing elevations and ____________________ lines for proposed elevations.

Question 5

The contour lines that represent the elevation of the land when construction is complete are commonly referred to as the

A)grade line.
B)site line .
C)tree line.
D)land line.

Question 6

A(n)____________________ is similar in construction to a builder's level, but has a telescope mounted on a horizontal pivot so that it can be rotated vertically to measure vertical angles.

Question 7

Slope is usually expressed as the ____________________ over ____________________.

Question 8

If a pipeline with a slope of 2% is 618 feet long, what is the total fall?

A)6.18 feet
B)9.27 feet
C)12.36 feet
D)15.45 feet

Question 9

The additional crosshairs positioned a precise distance above and below the center horizontal crosshair on a transit telescope are called

A)back sights.
B)stadia lines.
C)leveling rods.
D)telescopes.

Question 10

If a benchmark is located on one of the property corners, it is referred to as the

A)point of beginning.
B)fore sight.
C)back sight
D)height of instrument.

Question 11

Telescope lenses on a builder's transit or level should be covered at all times when not in use.

Question 12

A 1% slope is the equivalent of approximately how many inches per foot?

A)⅛
B)¼
C)½
D)1

Question 13

Only qualified and trained persons should use builder's transits and levels.