2020-2021 Flashcards
Surveying uses the techniques of ________.
Geometry and trigonometry
Historically, distances were measured _________.
Through the use of chains with links of a known length.
Early surveyors learned that the simplest method to measure height was with an altimeter. The altimeter they used was basically a________.
Barometer
Theodolites have been used to measure angles since
1571
Distance is defined as the amount of ________between two things.
Space
Although some drawings refer to sea level, it is usually changed to __________.
An elevation above finished floor
The term “ plumb” means that the work is truly perpendicular to _________.
Level
Transferring a benchmark may be accomplished with the use of a_______.
Rotating laser
The horizontal starting points for column lines and other measurements are called _______.
Control lines
A______compass may be used to draw and divide circles larger than those made by a regular pair of compasses
Beam
The advantage of the open case on an engineer’s tape is it _______.
Is easy to clean any debris that might get caught in the tape
Some measuring tapes do not have zero start at the end of the blade. They will start a foot back. This is called a(n)
Dead foot
If you are using a measuring tape around electric hazard, it would probably be best to choose a(n)_______blade.
Fiberglass
At which of the following temperatures will a steel tape read true to the manufacturer’s standards?
68 degrees Fahrenheit
To keep measuring tape from sagging, an ironworker should use a constant tension handle, and pull the tape with one pound of pressure for each ______feet of tape
10
