CM 2105 - DELATTE MIDTERM
QUESTIONS & ANSWERS
A __________ is a reading on a rod held on a point whose elevation is known. -
ANSWERbacksight
The __________ of the instrument is the vertical distance above the benchmark. -
ANSWERheight
The __________ is one of the most inexpensive and versatile instruments used by field
engineers. - ANSWERbuilder'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. -
ANSWERdumpy 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. - ANSWERhand level
A turning point is used in the differential leveling process to __________ transfer the
elevation from the height of instrument. - ANSWERtemporarily
The elevation is the vertical distance above a zero datum. - ANSWERtrue
Level bubble instruments include the builder's transit level, the transit, and the dumpy
level. - ANSWERtrue
Some people prefer to use the __________ for leveling because they are comfortable
with its operation. - ANSWERtransit
Which of the following is a field angle used when working with a total station? -
ANSWERdirect angle
The ______ angle measurement occurs on the angle-measuring circle which is
independent of the vertical sighting. - ANSWERhorizontal
Which part of a total station lines up directly with the vertical axis? - ANSWERoptical
plummet
From the following diagram, which selection denotes the horizontal axis for this
standard transit? - ANSWERG
QUESTIONS & ANSWERS
A __________ is a reading on a rod held on a point whose elevation is known. -
ANSWERbacksight
The __________ of the instrument is the vertical distance above the benchmark. -
ANSWERheight
The __________ is one of the most inexpensive and versatile instruments used by field
engineers. - ANSWERbuilder'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. -
ANSWERdumpy 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. - ANSWERhand level
A turning point is used in the differential leveling process to __________ transfer the
elevation from the height of instrument. - ANSWERtemporarily
The elevation is the vertical distance above a zero datum. - ANSWERtrue
Level bubble instruments include the builder's transit level, the transit, and the dumpy
level. - ANSWERtrue
Some people prefer to use the __________ for leveling because they are comfortable
with its operation. - ANSWERtransit
Which of the following is a field angle used when working with a total station? -
ANSWERdirect angle
The ______ angle measurement occurs on the angle-measuring circle which is
independent of the vertical sighting. - ANSWERhorizontal
Which part of a total station lines up directly with the vertical axis? - ANSWERoptical
plummet
From the following diagram, which selection denotes the horizontal axis for this
standard transit? - ANSWERG
