IMSA level 1 certification Questions And
Answers
Can you get your level III certification and what are they? Yes, and it's for bench and field
electrician
I'm working near power lines where would I get my clearance from? CEC, NEC, NESC
What are the three basic types of beacons? Stop sign bea...
Can you get your level III certification and what are they? Yes, and it's for bench and field
electrician
I'm working near power lines where would I get my clearance from? CEC, NEC, NESC
What are the three basic types of beacons? Stop sign beacon, warning beacon, and
flashing beacon.
What is the difference between concurrent and sequential phases? Concurrent phases,
phases that run together. Sequential phases, are phases that run one at a time.
I have a dual ring controller and all my through phases are even, what do I mean? The
dual ring phases are 2,4,6,8
What is the cheapest way to coordinate a corridor of signals? What needs to stay the same
throughout the day? Time based coordination, and cycle length.
, IMSA level 1 certification Questions And
Answers
Explain the white walking man, the flashing orange hand on a ped head and how is this time
figured? The white walking man is the ped head walk interval, and the ped change
clearance interval is the flashing orange hand.
What makes up the green interval? Initial green time, passage/extension/gap time, and
max green time.
At most intersections what are phases 2,6 called, and phases 4,8 called Phases 2,6 are
called Main Street, and 4,8 are called side street.
Name the three traffic signal systems? Closed loop, central computer, hybrid systems.
If phase 2 is in recall what will the controller do? The controller will service that phase
even if there is no need for it.
What happens after the green interval and before the red interval, and how is this change interval
figured? Yellow interval, and is figured by using the approach speed of the traffic.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller UpperClass. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
