CNST 420
If a high spot exists in center, ______ tape by measuring to the top and then move forward to complete the distance
"Break"
When the scope is turned up side down in the opposite direction, the scope is said to be ________
"Plunged"
1' of line error/100' = _______ error in length
0.01'
The horizontal and vertical precision on a minor structure stake is ________
0.01'
The accuracy requirements for a Cloth, Fiberglass or PVC tape is _____________
0.1 feet
Before the ability to make steel rods for surveying sticks were cut to a length of __________.
16.5 Feet
Closing the Horizon ensures that the angles about a point add up to ___________.
360 Degrees
If a closed traverse has six sides, the interior angles should sum to ________________.
720 degrees
The angle from Point A to Point B is 267 degrees 37 minutes, in order to close the horizon the angle from Point B to Point A should be _________ or very close.
92 degrees 23 minutes
All data should be recorded in the Field Book
At the time of observation
The recommended color flagging for Clearing Limit Stakes is ___________.
Blue and White Stripped
A Steel Surveyor's Tape is often referred to a __________.
Chain
_____________ establishes a network of horizontal and vertical monuments that serve as a horizontal and vertical monuments that serve as areference framework for other reference framework for other survey projects.
Control Surveying
________ Angles - are horizontal angles measured from a prolongation of a preceding line.
Deflection
________________ are horizontal angles measured from a prolongation of a preceding line.
Deflection Angles
The process of doubling angle to eliminate instrumental errors and increase precision of the angles turned is called ________________.
Direct and Reverse
__________ is utilized to eliminate instrument errors when laying out angles.
Double Center
A plumb bob is good for being used as a scribe.
False
Accuracy is how close measured values are to each other.
False
Configuration is not needed between a Total Station and the Prism
False
Distance x Average Pace = Length of Pace
False
Erasing is allowed in a Surveyor's Field Book
False
GPS can be used underground in tunnels and mines
False
It's a good idea to "cut" or "burn" a length on a steel or cloth tape.
False
Laser Light diverges like ordinary light.
False
Swinging the telescope means turning the telescope about horizontal axis in the vertical plane
False
The Total Station doesn't need to be level before turning angles.
False
The short back sight, long fore sight principle should be utilized in layout activities.
False
Turn twice as many direct angles as reverse angles
False
When carrying an instrument on a tripod carry the instrument behind your body with the tripod legs in front of your body.
False
Typical tolerance for a crane location is __________.
Foot
____________ is the survey in which the curvature of the earthis taken into account and higher degree of accuracy in linear and angularobservations is achieved.
Geodetic
The middle component of a Transit is called the___________.
Horizontal Limb
Construction Site Total Stations use _________ light as a source of there signal.
Infrared
A Laser is ______________
Monochromatic
____________ is a condition that occurs when eye is not focused on the cross hair
Parallax
Human errors follow the Laws of ________
Probability
A Pipe Line Laser light is ___________.
Red
Which is not a modern surveying tape
Retractable Laser
A distance of 328,010.56 feet in stationing is _________________.
Sta. 3280+10.56
Another term for "on-line" is __________
Straight
With a _________________ the user can electronically measure distances, and angles, calculate coordinates of points and attach an electronic field book.
Total Station
Instruments are exposed to three situations that expose them to hazards: _________, __________ and __________.
Transportation, Use, Storage
Changing Face is done in two steps, first transit the telescope then swing it through 180 degrees
True
Distance, angle and elevation are available on a Total Station
True
Errors can never be eliminated.
True
Fine grade hubs are used for pavement slope.
True
GPS can be used to layout footings
True
GPS is not affected by the weather
True
Hire a Professional Surveyor for measurements relating to property lines.
True
Measured traverse angles must be turned at least once direct and once reverse.
True
Only the first direct angle and the last reverse angle need to be recorded in the field book.
True
Pointing the Total Station at the sun can damage it.
True
Reflections from car windshields can cause an error in the Laser Reading
True
Rotate an instrument about its axis with finger tips.
True
Spatial Data is data that represents information about the earth
True
The Field Book is a legal document.
True
The primary information on the face of a stake should face the direction of use.
True
Total Stations have the ability to measure and display slope distances
True
When applying tension to a tape the head chain applies the required tension.
True
When laying out an angle, the instrument is set up on the required control point and the sight is taken to the second control point. the instrument is set up on the
True
With Total Stations, zero is located at the zenith (directly overhead) of the instrument and all angles are instrument and all angles are positive.
True
Which answer is not a disadvantage for GPS.
Weather
Horizontal Distance = (sin _______ Angle) X (Slope Distance)
Zenith
Lasers have evolved into ___________
an Electric Plumb Bob
If three direct and three reverse angles are measured the final reverse angle should be divided by _________.
six