Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
1. The main objective of a safety program is to _ _. prevent accidents
2. _, _ _ is the most appropriate person for evaluating a you
potential safety hazard. the operator
3. _, _ _ has the most to gain from an effective safety you
program. the operator
4. For a water system to have an effective safety pro- commit to the program
gram, the most important item that operators can do (attitude)
is _ _ _ _ (_).
5. Excavated material, tools, and other equipment needs 2
to be placed at least __ feet away from the surface
edge of an excavation.
6. If the trench is _ feet deep or more it will require a fixed 4
means of egress.
7. For a trench, exits must be provided at least every _ 25
feet.
8. Ladders must be secured and extend a minimum of _ 3
feet above the landing.
9. If a trench is _ feet deep or more it will require some 5
means of protection
10. Why is shoring used in trenches? To prevent _ and _. injury
death
11. A flagger is required at least _ feet in front of an 100
excavation site.
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
12. _ is the most common combustible gas. Methane
13. One volume of liquid chlorine will expand _ to _ vol- 450
umes of gaseous chlorine. This means that it is impor- 460
tant to rotate the tank so the rupture is at the top.
14. Chlorine gas is _ times denser than air. 2.5
15. Chlorine containers/cylinders are filled to _ % of capac- 25
ity.
16. To check for leaks use an ammonia solution. A _ _ will white cloud
appear if there is a chlorine leak.
17. Repair Kit _ is used for for 150 lb. cylinders. a
18. Kit _ is used for ton containers. b
19. A SCBA air supply will last _ on individual breathing depending
patterns while under stress.
20. The most dangerous type of chlorine incident is _ or _ rupture
of a cylinder. failure
21. Fusible Plugs are used to prevent tank rupture for 157
controlled leak situations and melt between _ to _ 160
Fahrenheit.
22. Ton containers have _ fusible plugs mounted on each 3
end.
23. Exhaust fans should be ducted at _ _. floor level
24. Fresh air intake are ducted at the _. ceiling
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
25. _ _, _ _, _ _, _ _, and _ _ are recommended safety chemical goggles
equipment when working with fluoride chemicals. respirator mask
rubber gloves
rubber apron
rubber boots
26. Use _ _ to neutralize acid spills. This chemical is also sodium bicarbonate
know by its household name _ _. baking soda
27. What are some potential hazards in confined spaces? toxic low
flooding
_ gases and/or _ oxygen content condensation
slips trips falls
_
_ of electrical equipment
_, _, and _.
28. An atmosphere that has _ oxygen by volume is consid- 19.5
ered oxygen deficient.
29. _ _ is the procedure that should be followed every Lockout Tag
time when working with electrical equipment. This
prevents accidental energizing of equipment.
30. Lockout tags can be removed _ _ _ _ _ _ _ _. only by the person who
put it on
31. _ _ and _ two types of electrical safety devices found in circuit breakers
control panels. fuses
32. Vulnerability Assessments are required for systems 3300
serving populations of _ or more.
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
33. _, _, and _ are the three stages of threat management. possible
credible
confirmatory
34. Water systems are concerned about Smallpox be- pathogen
cause it is both a _ and a _ that has a high rate of _ biotoxin
transmission. secondary
35. What are the three FEMA disaster classifications? What are the three FEMA
disaster classifications?
36. _ is legislation requiring utilities to report chemicals sara
stored on site.
37. Password protect and change password every _ days. 90
38. Pathogenic are _ causing organisms. disease
39. Organisms that don't cause disease are _-_. non-pathogenic
40. _ is a process to kill pathogenic organisms. disinfection
41. _ is a is a natural component of the earth's upper ozone
atmosphere, where it is primarily formed photo chem-
ically.
42. Ozone doesn't leave a lasting _. residual
43. What is the molecular formula for ozone? o3
44. What is the molecular structure of oxygen gas? o2.
45. UV operates best when Suspended Solids is <_ - _ mg/L 10
& Turbidity is <_ - _ NTU. 15
Study online at https://quizlet.com/_4mc6ah
1. The main objective of a safety program is to _ _. prevent accidents
2. _, _ _ is the most appropriate person for evaluating a you
potential safety hazard. the operator
3. _, _ _ has the most to gain from an effective safety you
program. the operator
4. For a water system to have an effective safety pro- commit to the program
gram, the most important item that operators can do (attitude)
is _ _ _ _ (_).
5. Excavated material, tools, and other equipment needs 2
to be placed at least __ feet away from the surface
edge of an excavation.
6. If the trench is _ feet deep or more it will require a fixed 4
means of egress.
7. For a trench, exits must be provided at least every _ 25
feet.
8. Ladders must be secured and extend a minimum of _ 3
feet above the landing.
9. If a trench is _ feet deep or more it will require some 5
means of protection
10. Why is shoring used in trenches? To prevent _ and _. injury
death
11. A flagger is required at least _ feet in front of an 100
excavation site.
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
12. _ is the most common combustible gas. Methane
13. One volume of liquid chlorine will expand _ to _ vol- 450
umes of gaseous chlorine. This means that it is impor- 460
tant to rotate the tank so the rupture is at the top.
14. Chlorine gas is _ times denser than air. 2.5
15. Chlorine containers/cylinders are filled to _ % of capac- 25
ity.
16. To check for leaks use an ammonia solution. A _ _ will white cloud
appear if there is a chlorine leak.
17. Repair Kit _ is used for for 150 lb. cylinders. a
18. Kit _ is used for ton containers. b
19. A SCBA air supply will last _ on individual breathing depending
patterns while under stress.
20. The most dangerous type of chlorine incident is _ or _ rupture
of a cylinder. failure
21. Fusible Plugs are used to prevent tank rupture for 157
controlled leak situations and melt between _ to _ 160
Fahrenheit.
22. Ton containers have _ fusible plugs mounted on each 3
end.
23. Exhaust fans should be ducted at _ _. floor level
24. Fresh air intake are ducted at the _. ceiling
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
25. _ _, _ _, _ _, _ _, and _ _ are recommended safety chemical goggles
equipment when working with fluoride chemicals. respirator mask
rubber gloves
rubber apron
rubber boots
26. Use _ _ to neutralize acid spills. This chemical is also sodium bicarbonate
know by its household name _ _. baking soda
27. What are some potential hazards in confined spaces? toxic low
flooding
_ gases and/or _ oxygen content condensation
slips trips falls
_
_ of electrical equipment
_, _, and _.
28. An atmosphere that has _ oxygen by volume is consid- 19.5
ered oxygen deficient.
29. _ _ is the procedure that should be followed every Lockout Tag
time when working with electrical equipment. This
prevents accidental energizing of equipment.
30. Lockout tags can be removed _ _ _ _ _ _ _ _. only by the person who
put it on
31. _ _ and _ two types of electrical safety devices found in circuit breakers
control panels. fuses
32. Vulnerability Assessments are required for systems 3300
serving populations of _ or more.
, Water Operator Grade IV Certification - copy (awwa?)
Study online at https://quizlet.com/_4mc6ah
33. _, _, and _ are the three stages of threat management. possible
credible
confirmatory
34. Water systems are concerned about Smallpox be- pathogen
cause it is both a _ and a _ that has a high rate of _ biotoxin
transmission. secondary
35. What are the three FEMA disaster classifications? What are the three FEMA
disaster classifications?
36. _ is legislation requiring utilities to report chemicals sara
stored on site.
37. Password protect and change password every _ days. 90
38. Pathogenic are _ causing organisms. disease
39. Organisms that don't cause disease are _-_. non-pathogenic
40. _ is a process to kill pathogenic organisms. disinfection
41. _ is a is a natural component of the earth's upper ozone
atmosphere, where it is primarily formed photo chem-
ically.
42. Ozone doesn't leave a lasting _. residual
43. What is the molecular formula for ozone? o3
44. What is the molecular structure of oxygen gas? o2.
45. UV operates best when Suspended Solids is <_ - _ mg/L 10
& Turbidity is <_ - _ NTU. 15
