Questions and Correct
Answers | New Update
How long flagger certification is valid - ANSWER ✔✔3 years
TTC - ANSWER ✔✔Temporary Traffic Control
The quality or state of being conspicuous - ANSWER ✔✔Conspicuity
All signals, marking, and other devices used to regulate, warn, or guide
traffic, placed on, over, or adjacent to a street, highway, or bikeway by
authority of a public agency having jurisdiction. - ANSWER ✔✔Traffic
Control Devices
,All 4 work zones must conform to these (4) standards - ANSWER
✔✔-MUTCD -Local -State -Comcast
(4) Typical Comcast traffic control devices - ANSWER ✔✔-Cones -
Signs -Vehicle strobe -High visibility garments
(5) Principles of traffic control devices - ANSWER ✔✔-Fulfill a need -
Command attention -Convey a clear, simple meaning -Command repect
from road users -Give adequate time for proper response
Score needed to pass the flagger written exam - ANSWER ✔✔80
percent
This is where a Flagger should be standing at all times. - ANSWER
✔✔Shoulder by the fog/edge line.
These two kinds of crashes occur frequently near the taper and
channeling devices - ANSWER ✔✔Fixed Object & Sideswipe
Stop/Slow retroreflective paddles must be ----- wide, and letters ------
high. - ANSWER ✔✔18" wide, 6" letters
Flaggers shall never flag from these (3) main areas. - ANSWER ✔✔-
On/Under a Bridge -On/Under an overpass -In a vehicle
, Retroreflective vests must be visible to this minimum distance. -
ANSWER ✔✔1000 ft
For nighttime flagging, this type of safety vest should be worn. -
ANSWER ✔✔Class 3
35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) - ANSWER
✔✔Wind chill formula
The minimum mounting height from the roadway to the bottom of an
electric arrow panel. - ANSWER ✔✔7'
For portable changeable message signs, the message being stated
should be visible for at least this minimum distance. - ANSWER
✔✔650'
SPF - ANSWER ✔✔Sun Protection Factor
Sun block SPF 20 will offer this amount of time of sun block. -
ANSWER ✔✔400 minutes (20 X SPF #)
The distance between the flagging station and the work space should
never be less than ____ away. - ANSWER ✔✔50 ft
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