Exam Questions and Correct Answers |
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S to N - 🧠ANSWER ✔✔Downstation
W to E - 🧠ANSWER ✔✔Downstation
Stationing - 🧠ANSWER ✔✔Starts at 0+00
Stationing Measurement - 🧠ANSWER ✔✔1+00 is 100 feet
Straight Edge is the - 🧠ANSWER ✔✔Measurement of Pavement
smoothness with a 15 foot 4.573 m rolling straightedge
Straight Edge is used to - 🧠ANSWER ✔✔identify problems
Random sampling - 🧠ANSWER ✔✔Are random numbers generated usually
by a VT for cores to be extracted from the roadway
, How often should you calibrate a Straight edge - 🧠ANSWER ✔✔Calibrate
at the start of each working period
Using the manual straight edge you find what kind of spot to place the
rolling straightedge? - 🧠ANSWER ✔✔Locate a flat area with the manual
straightedge and place the rolling straightedge next to the manual
straightedge and the gauge should read 0
The 3/16 and the 3/8 shims go under which wheels during calibration -
🧠ANSWER ✔✔The outside wheels to measure the low and the center to
measure the high. Gauge should read 3/16 on the 3/16 shim and vice versa
for the 3/8 shims. Make sure the center wheel moves up and down freely.
Calibration materials for Straightedge - 🧠ANSWER ✔✔Rolling Straightedge
Manual Straightedge
Manual Measurement (ruler)
x4 3/16 shims 5mm thick
x4 3/8 shims 10mm thick
When to perform final straightedge - 🧠ANSWER ✔✔After an entire lane has
been paved