Wastewater Collector Class D License Chapter 7

Front 1

1. Studies show that ________ of all accidents began with a state of mind that led to a critical
thinking error.
a. 40%
b. 60%
c. 70%
d. 80%

Back 1

d. 80%

Front 2

2. Components of an effective safety program include ________.
a. audit and inspections, OSHA oversight
b. education and training, record keeping
c. accident investigation, fault determination
d. National Safety Council membership

Back 2

b. education and training, record keeping

Front 3

3. Tailgate safety sessions should ________.
a. always be held in the morning
b. last about 10 minutes
c. focus on recent accidents
d. have doughnuts

Back 3

b. last about 10 minutes

Front 4

4. What are the basic purposes of the Hazard Communication Standard?

Back 4

In Chapter 502 (b) of the Hazard Communication Standard...

It is the intent and purpose of this chapter to assure that employers privide

information regarding hazardous chemicals in the workplace to employees who may
be exposed to those chemicals.

Front 5

5. Under the Hazard Communication Act, who must provide training for the employees?

Back 5

The employer.

Front 6

6. Under normal conditions, the oxygen content of the air is about ________.
a. 16%
b. 21%
c. 24%
d. 14%

Back 6

b. 21%

Front 7

7. A confined space is defined as ________.
a. Large enough that a worker can enter it
b. Having a restricted entrance and exit
c. Not being designed for continuous occupancy
d. All of the above

Back 7

d. All of the above

Front 8

8. A permit-required confined space is defined as ________.
a. Containing or capable of containing a hazardous atmosphere
b. Containing a material that could engulf an entrant
c. Could trap or suffocate someone working there
d. Contains any other serious hazard
e. Any of the above
f. None of the above

Back 8

e. Any of the above

Front 9

9. Under ideal conditions, a 440-volt circuit can arc as much as ________.
a. 6 inches
b. 6 feet
c. 6 centimeters
d. 6 meters

Back 9

b. 6 feet

Front 10

10. Heavy equipment capable of vertical, lateral or swinging motion shall not be operated
within ________ of high-voltage lines.
a. 10 inches
b. 10 feet
c. 10 yards
d. 10 miles

Back 10

b. 10 feet

Front 11

11. Standards set by OSHA require shoring for trench depth 4 feet or more.
a. true
b. false

Back 11

b. false

Its 5 feet or more

Front 12

12. At depths of 5 feet or more, ladders are required every 50 feet.
a. true
b. false

Back 12

b. false

Its at depths of 4 ft or more that ladders are required every 50 ft

Front 13

13. Inspections of excavations shall be made by a competent person ________.
a. Daily and when hazardous conditions exist
b. After every rainstorm or other hazard-increasing occurrence
c. Even if no person will enter the excavation
d. a and b
e. a, b and c

Back 13

e. a, b and c

Front 14

14. Factors that should be considered to design an adequate protection system and prevent cave-ins are ________.
a. Climatic conditions, amount of surface water present and depth of excavations
b. Number and types of ladders and type of excavation equipment
c. Personal safety gear available at the construction site
d. Survey equipment and location of utilities

Back 14

a. Climatic conditions, amount of surface water present and depth of excavations

Front 15

15. A TCP is a ________.
a. Timed collision preventer
b. Traffic correction plan
c. Traffic cone placement
d. Traffic control plan

Back 15

d. Traffic control plan

Front 16

16. Vertical panel stripes should ________.
a. Point down to the road in the direction traffic should travel
b. Point up the road in the direction traffic should travel
c. Be at least 12 inches wide
d. Be angled on a 30-degree slope

Back 16

a. Point down to the road in the direction traffic should travel

Cones must be:

18" in height

Vertical Panels Must be:

8" wide and 24" in Height

Drums must be:

Height>36" and Diameter of 18"

Front 17

17. Flaggers must be used any time that a ________ lane is used for traffic in ________
direction(s).
a. single/one
b. single/two
c. double/four
d. double/two

Back 17

b. single/two

Front 18

18. A poorly prepared emergency action plan can result in ________.
a. injury
b. confusion
c. property damage
d. all listed

Back 18

d. all listed