Ag Mech I- 4.01: Construction levels and lasers

Front

When setting up a tripod and a builder's level, the leveling screw should be adjusted until the:

Back

bubble is centered

Front

If Steve is using a builder's level to lay out a building, the degree reading when the telescope is turned to mark a corner should be: 15*, 30*, 45*, 90*

Back

90*

Front

When laying out a building, taking two equal measurements of the diagonal corners means the four corners are:

Back

square

Front

The person using a laser beam level for surveying knows that the receiver is on the same grade when a signal is seen or heard from the: lower sensor, middle sensor, rod person, top sensor

Back

middle sensor

Front

If Abby needs to lay out a building using the 3-4-5 method, what measurement is used with 24' and 30' to make a square corner?

Back

18'.

Front

When one fails to hold the leveling rod up straight, the measurement will be:

Back

inaccurate

Front

To be certain that accurate readings are taken, the bubble in the leveling vial of a farm level should be checked:

Back

before and after each reading