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IMSA Signal Technician Level 1 End of Chapter Questions 100% Solved
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IMSA Signal Technician Level 1 End of ChapterQuestions 100% Solved
Which of the following is a definition of cycle length: Correct Ans-The elapsed time
between the start of a specific display until that display comes up again
Which of the following is a characteristic of sequential phases: Correct Ans-They cannot
occur at the same time
Which of the following is a definition for initial green time: Correct Ans-Minimum time
that the green indication must be displayed
The only point in the cycle of a coordinated traffic signal controller where the major-street
phase is allowed to end is called: Correct Ans-Yield point
Which of the following is NOT a common mode of operation for timing plans in a signal
system: Correct Ans-Y: Time of day
N: Traffic related
Y: Traffic Responsive
Y: Traffic adaptive
, IMSA Signal Technician Level 1 End of Chapter
Questions 100% Solved
Two common terms to describe traffic signal supports and signal heads are: Correct Ans-
Rigid and free-swinging
In a single wire with a single point attachment configuration, the wire that supports the signal
head is called the: Correct Ans-Messenger wire
The two nominal diameter sizes for vehicular signal lenses are: Correct Ans-8 in (200 mm)
and 12 in (300 mm)
The purpose for "louvers" is to: Correct Ans-Make signal visible from a specific lane
Which of the following types of conduit are used for traffic signals? Correct Ans-Rigid Steel
Conduit
High-Density Polyethylene (HDPE)
PVC Schedule 40
, IMSA Signal Technician Level 1 End of Chapter
Questions 100% Solved
Traffic signal supports are NOT used to display the following items: Correct Ans-Y: Guide
signs
N: Advertisements
Y: Regulatory signs
Y: Overhead street sign names
Which of the following is a disadvantage of mast arms: Correct Ans-Large foundations
Methods of signal supports include all of these except: Correct Ans-N: Arched supports
Y: Truss supports
Y: Monotube supports
Y: Pedestal supports
What is the primary function of the IMSA? Correct Ans-Safety education
IMSA stands for: Correct Ans-International Municipal Signal Association
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