CM 2105 - DELATTE MIDTERM EXAM
QUESTIONS AND ANSWERS 100% PASS
2026 EDITION
A __________ is a reading on a rod held on a point whose elevation is known. -
ANS backsight
The __________ of the instrument is the vertical distance above the benchmark. -
ANS height
The __________ is one of the most inexpensive and versatile instruments used by field
engineers. - ANS builder's level
The __________ has been used extensively for many of the great railroad, canal, bridge, tunnel,
building, and harbor projects for the last century and a half. - ANS dumpy level
___________ can be used to roughly determine elevations for cut or fill stakes, to set slope
stakes, check height differences within a few tenths, keep a chain level, or for any number of
situations where an elevation doesn't need to be exact. - ANS hand level
A turning point is used in the differential leveling process to __________ transfer the elevation
from the height of instrument. - ANS temporarily
@COPYRIGHT 2026 ALLRIGHTS RESERVED 1
, The elevation is the vertical distance above a zero datum. - ANS true
Level bubble instruments include the builder's transit level, the transit, and the dumpy level. -
ANS true
Some people prefer to use the __________ for leveling because they are comfortable with its
operation. - ANS transit
A construction surveyor on his initial instrument setup takes a foresight rod reading of 3.78' to a
turning point 1 determining its elevation to be 4.31 ft. The surveyor proceeded to the next
instrument setup taking a back-sight rod reading of 5.78 ft. to turning point 1. What is the HI of
this second instrument setup? - ANS 10.09 ft
If an angle is turned off of this extended line, it is called a(n) ______ angle. - ANS deflection
Drag and drop the appropriate total station part name. - ANS
In the process of turning angles, procedures such as direct, reverse, closing the horizon, traverse
angles, and layout are performed. - ANS true
______ angles are often measured to determine the angles of a closed geometric figure. -
ANS interior
A typical optical theodolite may have as many as ______ prisms or lenses as part of the optical
angle-reading system. - ANS 20
Which of the following is a field angle used when working with a total station? - ANS direct
angle
@COPYRIGHT 2026 ALLRIGHTS RESERVED 2
QUESTIONS AND ANSWERS 100% PASS
2026 EDITION
A __________ is a reading on a rod held on a point whose elevation is known. -
ANS backsight
The __________ of the instrument is the vertical distance above the benchmark. -
ANS height
The __________ is one of the most inexpensive and versatile instruments used by field
engineers. - ANS builder's level
The __________ has been used extensively for many of the great railroad, canal, bridge, tunnel,
building, and harbor projects for the last century and a half. - ANS dumpy level
___________ can be used to roughly determine elevations for cut or fill stakes, to set slope
stakes, check height differences within a few tenths, keep a chain level, or for any number of
situations where an elevation doesn't need to be exact. - ANS hand level
A turning point is used in the differential leveling process to __________ transfer the elevation
from the height of instrument. - ANS temporarily
@COPYRIGHT 2026 ALLRIGHTS RESERVED 1
, The elevation is the vertical distance above a zero datum. - ANS true
Level bubble instruments include the builder's transit level, the transit, and the dumpy level. -
ANS true
Some people prefer to use the __________ for leveling because they are comfortable with its
operation. - ANS transit
A construction surveyor on his initial instrument setup takes a foresight rod reading of 3.78' to a
turning point 1 determining its elevation to be 4.31 ft. The surveyor proceeded to the next
instrument setup taking a back-sight rod reading of 5.78 ft. to turning point 1. What is the HI of
this second instrument setup? - ANS 10.09 ft
If an angle is turned off of this extended line, it is called a(n) ______ angle. - ANS deflection
Drag and drop the appropriate total station part name. - ANS
In the process of turning angles, procedures such as direct, reverse, closing the horizon, traverse
angles, and layout are performed. - ANS true
______ angles are often measured to determine the angles of a closed geometric figure. -
ANS interior
A typical optical theodolite may have as many as ______ prisms or lenses as part of the optical
angle-reading system. - ANS 20
Which of the following is a field angle used when working with a total station? - ANS direct
angle
@COPYRIGHT 2026 ALLRIGHTS RESERVED 2
