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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
Warning signs and channelizing devices may be omited where the work space is
behind a barrier, more than 2ft behind the curb, or 15ft from the edge of any
roadway - ANSWER✅✅2ft - 15ft rule
Duration of work for flagging, this is the type that occupies a location more than 3
days. - ANSWER✅✅Long-Term Stationary
Duration of work for flagging, this is the type that occupies a location more than one
daylight period up to 3 days, or nighttime work lasting more than 1 hour. -
ANSWER✅✅Intermediate-Term Stationary