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IMSA level 1 certification Questions and answers.
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IMSA level 1 certification Questions and answers.
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IMSA level 1 certification____ assemblies provide the maximum support length to cross over a street? - questions and
answers-Truss type assemblies.
__________ are used to warn the traveling public of any changes or work on the road ahead,
they are also known as variable/dynamic message signs? - questions and answers-Changeable
message signs
12" signal heads can be used without side a pole support heads on a ____ to a _____
intersection? - questions and answers-Minimum 40 foot maximum 120 foot intersection.
A loop detector sends a message to the controller's input file because it ____ (increases or
decreases) the inductance frequency. - questions and answers-Decreases
A loop detector that is made up of two long rectangles right next to each other is called a ___? -
questions and answers-Quadrupole loop
Are pull/ junction boxes only used where wire needs to change direction? - questions and
answers-No
At most intersections what are phases 2,6 called, and phases 4,8 called - questions and
answers-Phases 2,6 are called Main Street, and 4,8 are called side street.
Can you get your level III certification and what are they? - questions and answers-Yes, and it's
for bench and field electrician
Explain the white walking man, the flashing orange hand on a ped head and how is this time
figured? - questions and answers-The white walking man is the ped head walk interval, and the
ped change clearance interval is the flashing orange hand.
For one to maintence_____ you must close the lane of travel. - questions and answers-Loop
detectors
I have a dual ring controller and all my through phases are even, what do I mean? - questions
and answers-The dual ring phases are 2,4,6,8
I'm working near power lines where would I get my clearance from? - questions and
answers-CEC, NEC, NESC
If I ask for some #10 AWG wire, what does AWG stand for? - questions and answers-American
Wire Gauge
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