Exam (elaborations)
IMSA Signal I Questions and Answers 2024
- Course
- Institution
Exam of 5 pages for the course IMSA Signal technician at IMSA Signal technician (IMSA Signal I)
[Show more]
Content preview
IMSA Signal ISafety Education - answer Primary function of the IMSA
International Municipal Signal Association – answer IMSA Stands for:
Circular Red, Circular Green - answer What are the sections of a ramp meter signal?
Personal Protective Equipment – answer PPE Stands for:
Ensure advance warning devices have not been removed or relocated - answer A work
zone supervisor is responsible for:
three-section traffic signal with circular red, circular yellow, smaller circular yellow
indications - answer Example of the configuration of an Emergency-Vehicle Control
signal
Min green, passage time, max green - answer The green interval is made up of what
three components?
Min, max, ped - answer What are the three typical types of recall features of a traffic
signal controller?
Split - answerIn a coordination plan, what is the number of seconds given to each phase
at the intersection?
Time-based coordination - answerwhich of the following traffic signal coordination
methods is typically the least expensive?
The elapsed time between the start of a specific display until that display comes up
again - answercycle length
the elapsed time between the start of a specific display until that display comes up
again - answerWhat is a definition for cycle length?
They cannot occur at the same time - answerWhat is a characteristic of a sequential
phase?
Minimum time that the green indication must be displayed - answerA definition for initial
green time
, Yield point - answerthe only point in a cycle of a coordinated traffic signal controller
where the major-street phase is allowed to end
Rigid and free-swinging - answertwo common terms to describe traffic signal supports
and signal heads are:
messenger wire - answerin a single wire with a single point attachment configuration,
the wire that supports the signal heads is called the:
8 in, 12 in - answerthe two nominal diameter sizes for vehicular signal lenses are:
make signal visible from a specific lane - answerthe purposes of *louvers* is to:
Rigid steel conduit, high density polyethylene (HDPE), PVC schedule 40 -
answerconduit types for traffic signals
large foundation - answera disadvantage of mast arms
Lamp socket, lens, reflector - answercomponents of the optical unit for an incandescent
lamp
truss supports, monotube supports, pedestal supports - answermethods of signal
supports
at least 6" - answerfor pedestrian signals controlling crosswalks less than 100 feet, what
is the required height of the symbols themselves:
Inductance - answerloop detectors operate on the principle of:
lead-in cable - answerthe piece of cable that connects the controller cabinet to the loops
is called a:
polyethylene - answerthe outer jacket of loop lead-in cable is typically made of:
Images can be sent to remote locations - answerwhat is an advantage of video
detection systems?
Frequency-modulated continuous wave (FMCW) - answerA type of microwave detector
Two - answera 6'x60' loop typically has how many turns of wire?
prevent conflicting signal indications - answerthe primary function of the CMU is:
power supply wires, conduit riser with weatherhead, meter housing - answerwhat are
some components of an overhead power service?
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 julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
70840 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now