END OF CHAPTER QUESTIONS &
ANSWERS(RATED A+)
What is the primary function of the IMSA? - ANSWERSafety education
IMSA stands for: - ANSWERInternational Municipal Signal Association
Which of the following is NOT an IMSA certification? - ANSWERY: Traffic Signal
Level II Design/Engineer Technician
Y: Traffic Signal Level II Field Technician
Y: Traffic Signal Level II Bench Technician
N: Traffic Signal Level III Bridge Design Technician
Which of the following are potential safety hazards? - ANSWEROverhead and
underground power
Gas
Aerial lift equipment
What are the sections of a ramp meter signal? - ANSWERCircular red, circular green
PPE stands for: - ANSWERPersonal Protective Equipment
Which of the follow is an example of adequate fall protection during the operation of
aerial lift equipment? - ANSWERFull body harness
Safety belt
Rails of a platform lift
Work Zone Supervisor is responsible for which of the following tasks? -
ANSWEREnsure advance warning devices have not been removed or relocated
Which of the following is NOT a sentence type in the MUTCD? - ANSWERY:
Standards; requirements that have to be followed
Y: Guidance; recommendations that are to be followed unless there is a good reason
not to
N: Objectives; reasons behind the standards and guidance
y: Support; additional information to clarify the standards and guidance
Which of the following is an example configuration of an Emergency-Vehicle Traffic
Control Signals: - ANSWERThree-section traffic signal with circular red, circular
yellow, and smaller circular yellow indications
In a single wire with a single point attachment configuration, the wire that supports
the signal head is called the: - ANSWERMessenger wire
The two nominal diameter sizes for vehicular signal lenses are: - ANSWER8 in (200
mm) and 12 in (300 mm)
, The purpose for "louvers" is to: - ANSWERMake signal visible from a specific lane
Which of the following types of conduit are used for traffic signals? - ANSWERRigid
Steel Conduit
High-Density Polyethylene (HDPE)
PVC Schedule 40
The following phases are typically assigned to the major street through movements: -
ANSWER2 and 6
The green interval is made up which three components? - ANSWERMinimum green,
passage time, maximum green
What are the three types of recall features of a traffic signal controller? -
ANSWERMinimum, maximum, pedestrian (+soft)
In a coordination plan, what is the number of seconds given to each phase at the
intersection? - ANSWERSplit (g,y,r)
Which of the following traffic signal coordination method is typically least expensive?
- ANSWERTime-based coordination
Which of the following is a definition of cycle length: - ANSWERThe 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: - ANSWERThey
cannot occur at the same time
Which of the following is a definition for initial green time: - ANSWERMinimum 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: - ANSWERYield point
Which of the following is NOT a common mode of operation for timing plans in a
signal system: - ANSWERY: Time of day
N: Traffic related
Y: Traffic Responsive
Y: Traffic adaptive
Two common terms to describe traffic signal supports and signal heads are: -
ANSWERRigid and free-swinging
Traffic signal supports are NOT used to display the following items: - ANSWERY:
Guide signs
N: Advertisements
Y: Regulatory signs
Y: Overhead street sign names