IMSA TRAFFIC SIGNAL TECHNICIAN LEVEL 2 CERTIFICATION EVALUATION TEST PAPER 2026 COMPLETE STUDY QUESTIONS WITH CORRECT ANSWERS

IMSA TRAFFIC SIGNAL TECHNICIAN LEVEL 2
CERTIFICATION EVALUATION TEST PAPER 2026
COMPLETE STUDY QUESTIONS WITH
CORRECT ANSWERS

◉ Two common terms to describe traffic signal supports and signal
heads are: Answer: Rigid and free-swinging


◉ In a single wire with a single point attachment configuration, the
wire that supports the signal head is called the: Answer: Messenger
wire


◉ The two nominal diameter sizes for vehicular signal lenses are:
Answer: 8 in (200 mm) and 12 in (300 mm)


◉ The purpose for "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: Y: Guide signs
N: Advertisements
Y: Regulatory signs
Y: Overhead street sign names


◉ Which of the following is a disadvantage of mast arms: Answer:
Large foundations


◉ Methods of signal supports include all of these except: Answer: N:
Arched supports
Y: Truss supports
Y: Monotube supports
Y: Pedestal supports


◉ Components of the optical unit for an incandescent lamp include
all of the following except: Answer: Y: Lamp socket
N: Shade
Y: Lens
Y: Reflector