2-6-5

An example of an non-intrusive detection device is the ? detector. Select one: a.acoustic b.loop c.magnetic d.vibration

A. Acoustic

The ? monitor unit is a safety device that is used to monitor the traffic signal if things go wrong. Select one: a.conflict b.confusion c.congestion d.correction

A. Conflict

Which type of detection device is installed in or under the roadway surface? Select one: a.Imbedded b.Intrusive c.Recessed d.Sunken

B. Intrusive

Two types of traffic signal supports are mastarms and ? . Select one: a.guide wires b.span wires c.stiffarms d.telegraph cables

B. Span wires

The ? wire supports the signal cables as well as the signal heads. Select one: a.coaxial b.mast c.messenger d.transfer

C. Messenger

Which type of detection device is installed over or next to the roadway? Select one: a.Adjacent b.Aerial c.Non-intrusive d.Parallel

C. Non -intrusive

An example of an intrusive detection device is the ? pad. Select one: a.micro b.motion c.pressure d.touch

C. Pressure

A(n) ? device is used by emergency vehicles to take priority control over a traffic signal. Select one: a.alarm b.failsafe c.override d.preemption

D. Preemption

Mastarm poles are made of ? . Select one: a.aluminum b.concrete c.fiberglass d.steel

D. Steel

Who is ultimately responsible for a worker's safety on the job site? Select one: a.OSHA b.The contractor c.The Foreman d.The worker

D. The worker

Traffic signal work usually begins with ? construction. Select one: a.caisson b.mastarm c.overhead d.underground

D. Underground

A Qualified Electrical Worker who works as a traffic technician cannot install street, highway, or bridge lighting. Select one: True False

False

An incorrect anchor bolt pattern can be easily fixed after the foundation is poured. Select one: True False

False

The detection of vehicles is not a critical factor for a traffic signal to run efficiently. Select one: True False

False

There is little or no danger associated with traffic signal construction. Select one: True False

False

After the concrete is poured for a pole foundation, it will take three to seven days to gain structural strength before a load can be applied. Select one: True False

True

Mastarms and signal heads should be assembled on the ground whenever possible. Select one: True False

True

There is often a logical reason why traffic signals operate the way they do. Select one: True False

True