Verified Answers | Grade A | 100% Correct
PPE stands for - ANSWER -Personal Protective Equipment
A work zone supervisor is responsible for which of the following tasks:
- ANSWER -Ensure advance warning devices have not been removed
or relocated.
Which of the following is NOT a sentence type in the MUTCD?
Standards; requirement that have to be followed.
Guidance; recommendations that are to be followed unless there I good
reason not to.
Objectives; reasons behind the standards and guidance.
Support; additional information to clarify the standards and guidance. -
ANSWER -Objectives; reasons behind the standards and guidance
Which of the following is an example configuration fo an Emergency -
Vehicle Traffic Control Signals? - ANSWER -Thee section traffic
signal with circular red, circular yellow, and smaller circular yellow
indications.
The following phases are typically assigned to the major-street through
movements: - ANSWER -2 and 6
There green interval is made up of which three components? -
ANSWER -Minimum green, passage time, maximum green
What are the three typical types of recall features of a traffic signal
controller? - ANSWER -Minimum, Maximum, Pedestrian
,In a coordination plan, what is the number of seconds given to each
phase at the intersection? - ANSWER -split
which of the following traffic signal coordination methods is typically
the least expensive? - ANSWER -Time-Based Coordination
Which of the following is a definition for cycle length? - ANSWER -
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? -
ANSWER -they cannot occur at the same time.
Which of th following is a definition for initial green time - ANSWER -
Minimum time that that the green indication myst 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 - ANSWER -
Yield point
Which of ht following is NOT a common mode of operation for timing
plans in a signal system? - ANSWER -Traffic Related
Two common terms to describe traffic signal supports and signal heads
are - ANSWER -rigid and free-swinging
IN a single wire with. single point attachment configuration, the wire
that supports the signal heads is called the - ANSWER -Messenger Wire
, The two nominal diameter sizes for vehicular signal lenses are: -
ANSWER -8 in (200mm) and 12 in (300mm)
The purpose of "Louvers" is to: - ANSWER -make signal visible from
a specific lane
Which of the following types of conduit are used for traffic signals? -
ANSWER -Rigid Steel conduit
High-density Polyethylene (HDPE)
PVC Schedule 40
Traffic signal supports are NOT used to display the following items: -
ANSWER -Advertisements
Which of the following is a disadvantage of mast arms: - ANSWER -
Large Foundation
Loop detectors operate on the principle of: - ANSWER -inductance
The piece of cable that connects the controller cabinet to the loops is
called a: - ANSWER -Lead-in-cable
The outer jacket of loop lead-in cable is typically made of: - ANSWER
-Polyethylene
What is and advantage of video detection systems? - ANSWER -
Images can sent to remote locations
Which of the following is a type of microwave detector: - ANSWER -
frequency-modulated continuous wave (FMCW)