1
IMSA Level 1 Certification Latest Edition
2025. Questions & Correct Answers.
Graded A
____ assemblies provide the maximum support length to cross over a
street? - ANS 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? - ANSChangeable message signs
12" signal heads can be used without side a pole support heads on a ____
to a _____ intersection? - ANSMinimum 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. - ANSDecreases
A loop detector that is made up of two long rectangles right next to each
other is called a ___? - ANSQuadrupole loop
Are pull/ junction boxes only used where wire needs to change direction? -
ANSNo
1
, 2
At most intersections what are phases 2,6 called, and phases 4,8 called -
ANSPhases 2,6 are called Main Street, and 4,8 are called side street.
Can you get your level III certification and what are they? - ANSYes, 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? - ANSThe 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. - ANSLoop
detectors
I have a dual ring controller and all my through phases are even, what do I
mean? - ANSThe dual ring phases are 2,4,6,8
I'm working near power lines where would I get my clearance from? -
ANSCEC, NEC, NESC
If I ask for some #10 AWG wire, what does AWG stand for? - ANSAmerican
Wire Gauge
If phase 2 is in recall what will the controller do? - ANSThe controller will
service that phase even if there is no need for it.
2
IMSA Level 1 Certification Latest Edition
2025. Questions & Correct Answers.
Graded A
____ assemblies provide the maximum support length to cross over a
street? - ANS 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? - ANSChangeable message signs
12" signal heads can be used without side a pole support heads on a ____
to a _____ intersection? - ANSMinimum 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. - ANSDecreases
A loop detector that is made up of two long rectangles right next to each
other is called a ___? - ANSQuadrupole loop
Are pull/ junction boxes only used where wire needs to change direction? -
ANSNo
1
, 2
At most intersections what are phases 2,6 called, and phases 4,8 called -
ANSPhases 2,6 are called Main Street, and 4,8 are called side street.
Can you get your level III certification and what are they? - ANSYes, 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? - ANSThe 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. - ANSLoop
detectors
I have a dual ring controller and all my through phases are even, what do I
mean? - ANSThe dual ring phases are 2,4,6,8
I'm working near power lines where would I get my clearance from? -
ANSCEC, NEC, NESC
If I ask for some #10 AWG wire, what does AWG stand for? - ANSAmerican
Wire Gauge
If phase 2 is in recall what will the controller do? - ANSThe controller will
service that phase even if there is no need for it.
2
