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IMSA 1 QUESTIONS AND ANSWERS
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IMSA 1 QUESTIONS AND ANSWERS
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IMSA 1 QUESTIONS AND ANSWERSWhich are the two Traffic Signal Level 3 - Answers-Bench
Electrical (Field)
Personal safety is a matter of - Answers-Regulation and common sense
The voltage that the signal operate on is... - Answers-120 VAC
NEC - Answers-The national electrical code
NESC - Answers-National electrical safety code
Short duration maintenance or construction operation are defined in the MUTCD -
Answers-Work that occupies an area for an hour or less at any time.
MUTCD - Answers-The manual on uniform traffic control devices establishes the
purposes of traffic control devices and the requirements for uniform traffic control
devices throughout the united states.
FHWA - Answers-The federal highway administration is responsible for developing and
publishing the MUTCD in the united states
The MUTCD allows states to develop their own manual on uniform traffic control
devices if... - Answers-The manual is in sufficient conformance to the Federal MUTCD.
The detailed criteria for determining if the installation of a traffic signal should be
considered are found in the... - Answers-MUTCD ( AKA The use of warrants)
HAWK - Answers-Pedestrian hybrid beacon sometimes called High Intensity Actuated
Crosswalk.
Although most Signalized grade crossing are controlled by railroad flashing light signals
with... - Answers-Two circular red indications that flash in an alternating manner
Ramp metering signals. - Answers-The signals placed on the entrance of a ramp to a
roadway and usually have two sections: a circular green indication to allow a single
vehicle to proceed at a time and circular red indication to stop all approaching vehicles.
Other types of beacons include... - Answers-warning beacon (flashing circular yellow
indications) and stop beacons (flashing circular red indications)
Traffic signal phase - Answers-Phases are numbered 1 thru 8. Phase 2 and 6 are most
commonly assgined to major street trhough movement
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