Imsa Work-Zone Safety Exam Complete Questions And Detailed Solutions Latest Update This Year Just Released

IMSA WORK-ZONE SAFETY EXAM
COMPLETE QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR JUST RELEASED


Question 1: The absolute minimum height for ground mounted
signs in business, commercial or residential areas is _____
Answer:
7 feet



Question 2: When mounting a secondary sign below a
post-mounted roadside sign, the secondary sign may be mounted
_______ less than the primary roadside sign with a minimum height
of six feet.
Answer:
1 foot



Question 3: The general rule for sign spacing is _____ to ____
times the speed for business, commercial, or residential areas and
____ to ____ times the speed for rural areas
Answer:
4 to 8
8 to 12



Question 4: Suggested advance warning sign spacing for different
types of roadways can be found in the _____________
Answer:

, MUTCD



Question 5: The minimum height for traffic comes in low-speed, low
volume areas is _____
Answer:
18 inches



Question 6: The minimum height for traffic cones in a high-speed,
high volume areas is _____
Answer:
28 inches



Question 7: For nighttime operations, traffic cones shall be a
minimum of ______ in height and have ______
Answer:
28 inches and 2 retro reflective bands



Question 8: _________ Are more stable than cones, but harder to
transport
Answer:
Drum barrels



Question 9: To prevent barricades from being blown over _______
may be used to hold them in place
Answer:

, Sand bags



Question 10: The standard colors for barricades are _____ and
_____
Answer:
Orange and white



Question 11: Type I and II barricades should be a minimum of
______ in height and have a minimum rail length of ____
Answer:
36in
24in



Question 12: Type III barricades should be a minimum of _____
high and have a minimum rail length of ______
Answer:
5 feet
4 feet



Question 13: If the orange and white stripes on a barricade are
sloping downward to the left, which side of the barricade should
traffic pass?
Answer:
Left



Question 14: When used for nighttime operations, tubular markers
shall be ______ inches high and have ____ __________ ______

, Answer:
2 retroreflective bands



Question 15: What color is a SMV symbol?
Answer:
Red and orange



Question 16: Four types of arrow boards are commonly used. List
what each type should be used for.
Answer:
Type A: low speed such as urban streets
Type B: intermediate speeds or mobile operations on high speed roadways
Type C: high speed, high volume
Type D: use on authorized vehicles



Question 17: The minimum legibility distance of type A, B, and C
arrow displays are:
Answer:
Type A- 1/2 mile
Type B- 3/4 mile
Type C- 1 mile



Question 18: Signs should always be ____ or _____ when the
message doesn't apply
Answer:
Covered or removed