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WorksheetsAg Mech I- 4.01: Construction levels and lasers
Total questions: 7
Worksheet time: 4mins
When setting up a tripod and a builder's level, the leveling screw should be adjusted until the:
bubble is centered
level rod is level
plumb bob hits the ground
tripod is level
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*
When laying out a building, taking two equal measurements of the diagonal corners means the the four corners are:
not plumb
not square
square
triangles
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
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?
18'
24'
30'
60'
When one fails to hold the leveling rod up straight, the measurement will be:
accurate
inaccurate
too short
too small
To be certain that accurate readings are taken, the bubble in the leveling vial of a farm level should be checked:
after each reading
before and after each reading
every hour
once a day
