2-6 Practice test
Type ____ are mounted on the advance warning sign or on independent supports to mark extremely hazardous conditions. They should be visible from a distance of 1,000 feet on a sunny day. A A (low-intensity flashing lights) B B (high-intensity flashing lights) C C (steady-burn lights) D D (360° steady-burn lights)
b. B (high-intensity flashing lights)
The manual which establishes the nationally recognized standards for the design and application of traffic control devices is the ___. A FMDTC B MUTCD C MUTCM D NSDTC
b. MUTCD
Safe traffic control is assured by adding a ____ to electromechanical controllers. A circuit breaker B conflict monitor C fuse or multiple fuses D ground fault circuit interrupter
b. conflict monitor
Phases that are on the same ring and can never be activated at the same time are ____ phases. A complimentary B conflicting C parallel D the same
b. conflicting
What does a controller assembly do? A Controls flagger duration B Controls the operation of traffic signals C Provides overcurrent protection for signals D Supplies power to the signals
b. controls the operation of traffic signals
Flagger stations must be lit at night except during ___. A breaks B emergencies C times of low volume traffic D times when traffic is only flowing in one direction
b. emergencies
When using a boom-mounted auger, the boom must be ____ to dig a plumb hole. A extended at least 50% of the third stage B extended out at least 1' C fully extended D fully retracted
b. extended out at least 1'
Traffic signal plans consist of several different pages. Information specific to the contract awarding agency's specification on construction methods, material types, and contractor responsibilities can be found in the ___. A cover sheet B general notes C standard plan list D traffic signal plan sheets
b. general notes
It is important to vibrate concrete when pouring a pole foundation so that the concrete ___. A dries properly B is consolidated C is cooled at an even rate D is mixed properly
b. is consolidated
Which item below would NOT be considered a non-intrusive device? A Infrared detectors B Magnetic detectors C Microwave detectors D Video detection
b. magnetic detectors
Signs used on American roadways fit into three categories as defined by the MUTCD. They are ___. A alerting / informational / guide B regulatory / warning / guide C regulatory / warning / informational D warning / informational / guide
b. regulatory / warning / guide
A flagger station should never be less than ____ from the workspace. A 25' B 40' C 50' D 70'
c. 50'
When following another vehicle at night, how many seconds are necessary for an automobile to stop safely? A 2 B 4 C 6 D 10
c. 6
What was NEMA's first set of traffic standards known as? A NEMA-1 B ST-1 C TS-1 D TS-2
c. TS-1
When controlling two-way traffic using one flagger, traffic must ___. A be at highway speeds B be high volume/ high speed C be low volume/ low speed D follow a pilot car
c. be low volume/low speed
Which item listed below would be considered a primary means of communication between a flagger and a motorist? A Advanced warning area signs B Approach warning lights C Hand signals D Microphone
c. hand signals
46: Cycle length for an intersection can be increased by using a(n) ____ placed on the motor behind the dial. A cube relay B delay timer C larger gear D smaller gear
c. larger gear
A traffic signal plan sheet will display a(n) ____ that will show the specific symbols and the meaning in the signal drawing. A detail B elevation C legend D site map
c. legend
Which item listed below is NOT a critical factor when reading a digger derrick/bucket truck load chart? A Boom angle B Load radius C Manufacturer's model number D Sheave height (boom tip)
c. manufacturer's model number
The type of traffic control signal operation in which none of the signal phases function on the basis of actuation is a(n) ____ signal operation. A fully-actuated B incidentally-timed C pre-timed D semi-actuated
c. pre-timed
: White signs are defined by the MUTCD as ___. A general warning B pedestrian warning C regulation D temporary traffic control
c. regulation
when selecting rope to match a lift, you should look at the ____ which is based on the equipment's breaking strength a. rated load multiplier b. safe rated load multiplier c. safe working load limit d. stretch factor
c. safe working load limit
The first part of traffic control zone (that is set-up) would be the ___. A lane taper B transition cones C warning signs D work zone
c. warning signs
The bottom of a pedestrian signal head should be no lower than ____ but no higher than 10 feet above the sidewalk. A 4' B 5' C 6' D 7'
d. 7'
Which of the following are safety guidelines that a flagger should follow? I. Be visible II. Always expect the unexpected III. Carry emergency equipment IV. Identify potential problems A I. and II. B I. and IV. C II. and III. D I., II., III., and IV.
d. I, ii, iii, iv
3: What is considered the "brains" of an intersection? A Electronic sensor B Traffic cops C Traffic loops D Traffic signal controller
d. Traffic signal controller
LEDs on the front of a flasher display the ___. A flashing condition of the signal B input status of each channel C operating status of the signal D output status of each channel
d. output status of each channel
To pull poles out of the ground, ____ should be used. A an A-frame B gin poles C material handler D pole jacks
d. pole jacks
A device used to give a fire truck the right-of-way through an intersection is a ____ device. A communication B conflict monitor C controller D preemption
d. preemption
What should you do if a boom-mounted auger is corkscrewing into the ground? A Boom up B Keep digging C Reposition the truck D Stop digging and reverse the auger
d. stop digging and revise the auger
The flash transfer relay in a cabinet serves what purpose? A Switches controller power on and off B Switches from police control to controller control C Switches the monitor on and off D Switches the signal from normal operation to flashing condition
d. switches the signal from normal operation to flashing condition
2: What wire is attached to add stability to the signal head? A Ground B Guy C Tag D Tether
d. tether
What is the best wire on a pole to use to ground your truck? A The A phase B The guy wire C The hot phase D The neutral wire
d. the neutral wire
5: What is the purpose of a back plate? A To add stability to the traffic head B To allow easy access for maintenance C To deflect the wind D To increase visibility of the signal face
d. to increase visibility of the signal face
: Traffic signal plans are essential for the installation of any traffic signal. Traffic signal plans are designed by the ___. A city architect B city planner C traffic signal contractor D traffic engineer
d. traffic engineer
All slings in use require a tag stating the ___, date of manufacture, and the manufacturer. A physical dimensions B sling angle C tensile strength D working load limit
d. working load limit
How long after sunrise can you leave night traffic controls up? A ½ hour B 1 hour C 2 hours D Night traffic controls can remain in effect all day
a. 1/2 hr
The time it takes a driver to react to a potential problem under normal condition is ___. A ¾ second B 2 seconds C 3 seconds D 6 seconds
a. 3/4 second
What best describes a cycle length? A A complete sequence of signal indications B When non-NEMA phase rotation is used C When standard NEMA phasing is used D When the through phases service a green
a. a complete sequence of signal indications
The total weight of an object to be lifted is determined by ___. A adding in weights of add-on equipment as shown on the load chart B load radius, boom angle, and boom extension C subtracting the weights of add-on equipment as shown on the load chart D the weight as shown on the nameplate
a. adding in weights of add-on equipment as shown on the load chart
The heaviest weight that can be picked up by a digger derrick is with the boom at a steep angle and ___. A all booms retracted B the middle boom fully extended C the middle boom half-way out D the upper boom extended
a. all booms retracted
The lifting capacity of a boom depends on the ___. A boom angle and boom length B boom size and the weight of the equipment C jib position and the weight of the equipment D stability of the truck and the size of the load
a. boom angle and boom length
When only pedestrians are allowed to move at an intersection, this is known as ___. A exclusive pedestrian phasing B pedestrian recall phasing C permissive pedestrian phasing D primary pedestrian phasing
a. exclusive pedestrian phasing
A balance adjuster or wire entrance head is commonly known as a(n) ___. A goose neck B ramshead C signal head interface D weatherhead
a. gooseneck
Insulated booms are to be cleaned by ___. A handwashing B heavy solvents C power washers D steel wool
a. hand washing
When jumpstarting a vehicle, the last connection should go ___. A on the truck frame B to the negative battery terminal C to the neutral system on the truck D to the positive battery terminal
a. on the truck frame
If properly used, the one-call program assures that ___. A the area is cleared for digging B the area to be excavated is clear of utilities C the general contractor knows where you are digging D you will not hit anything in the area you are digging
a. the area is cleared for digging
6: What best describes a traffic signal cycle length? A The time required for a complete sequence of signal indications B The time required for a red and green light C The time required for all the intervals of a phase to time D The time required for all pedestrians to cross the street
a. the time required for a complete sequence of signal indications
Replace the rope or rope section when the wear exceeds ____ of the diameter of the outer wires. A 1/4 B 1/3 C 1/2 D 1/8
b. 1/3
The signal plan sheet(s) is an important part of any traffic signal standard plan set. The traffic signal plan sheet is made up of several key elements. Which item listed below will be found in the signal plan sheet? A Address of job B Loop schedule C Mast arm length D Phase layout diagram
D. phase layout diagram
