lockout tagout Flashcards

What's on the cards

1. Employers are NOT required to enforce lockout/tagout safety-related work practices on the job site.
2. What does the lockout process block?
3. What is necessary in order to allow use of a "Tagout" system instead of a "Lockout" system?
4. What are Tagout Devices?
5. What is the purpose of the energy control program?
6. What is the intent of the requirement for the employer to conduct periodic inspections?
7. What must be done to the work area before lockout/tagout devices are removed and energy is restored to the equipment?
8. Which of the following is the best description of the term lockout? A. Blocking the flow of energy from a power source to a piece of equipment B. Applying a tag to a piece of equipment to show that it should not be used. C. Shutting down a piece of equipment for servicing D. All of the above E. None of the above.
9. Which of the following statements best describes the tagout procedure? A. The process of attaching a warning tag to a power source or piece of machinery telling others not to restart. B. The process of blocking energy from reaching a piece of equipment. C. The process of signing off that a certain piece of equipment has been serviced. D. The process of installing a device to physically prevent others from restarting equipment.
10. The only person who should remove a lockout/tagout is: A. Anyone who needs to use the machine B. The operator of the machine C. The person who installed it D. All of the above E. None of the above
11. You can lend your lock to a co-worker if... A. The co-worker's lock is in another location B. You know you won't be using your lock C. Your supervisor approves of it D. All of the above E. None of the above
12. Which work does OSHA's lockout/tagout standard, 29 CFR 1910.147, cover? A) Any operation of a machine B) Servicing and maintenance of machines and equipment where unexpected energization, start up or release of stored energy could injure employees C) Only electrical wiring work D) Only construction sites
13. Which of these is NOT excluded from the scope of 29 CFR 1910.147? A) Construction employment B) Agriculture employment C) Oil and gas well drilling and servicing D) Unjamming a packaging machine in a general industry plant
14. True or false: 1910.147 governs an electric utility's power generation, transmission and distribution installations that are under the utility's exclusive control.
15. Exposure to electrical hazards from work on conductors in electric-utilization installations is left out of 1910.147. Which rules cover it instead?
16. Are normal production operations covered by the lockout/tagout standard?
17. During a production run, an operator must remove a guard to clear a jam. Does 1910.147 apply to that task?
18. Besides removing or bypassing a guard, what other situation brings servicing during normal production operations under 1910.147?
19. When are minor tool changes and adjustments made during normal production exempt from 1910.147?
20. A technician unplugs a bench grinder before changing its wheel and keeps the plug in hand the whole time. Does 1910.147 apply?
21. For a hot tap operation on a pressurized pipeline to fall outside 1910.147, what three things must the employer demonstrate?
22. How does 1910.147 define a hot tap?
23. According to its purpose paragraph, what does 1910.147 require employers to establish?
24. Another standard in part 1910 already requires lockout for a task. Do the 1910.147 requirements still apply?
25. A press operator runs a machine that a mechanic is servicing under lockout. Which 1910.147 term describes the operator?
26. How does 1910.147 define an authorized employee, and when does an affected employee become one?
27. When is an energy isolating device capable of being locked out?
28. True or false: under 1910.147, a machine that is unplugged but still holds residual or stored energy counts as energized.
29. Which of these is NOT an energy isolating device under 1910.147? A) A manually operated electrical circuit breaker B) A disconnect switch C) A line valve D) A push button or selector switch
30. Which forms of energy does the 1910.147 definition of energy source name?
31. The 1910.147 definitions of lockout and tagout differ in what they say about the equipment being controlled. What is the difference?
32. True or false: blank flanges and bolted slip blinds count as lockout devices under 1910.147.
33. Which of these is listed in 1910.147 as servicing and/or maintenance? A) Using a machine for its intended production function B) Lubrication, cleaning or unjamming a machine C) Walking past a running conveyor D) Ordering spare parts
34. Under 1910.147, what is a tagout device?
35. What three parts make up the energy control program an employer must establish under 1910.147(c)(1)?
36. An energy isolating device cannot accept a lock. What must the employer's energy control program use for it?
37. A disconnect switch can be locked out, but a supervisor prefers to use tags. When does 1910.147 allow that?
38. A plant replaces an old press with a new one in 2026. What does 1910.147 require of the new press's energy isolating devices?
39. When tags are used on a lockable device, what extra safety measures does 1910.147 name as part of showing full employee protection?
40. What three things does 1910.147 require employers to do with energy control procedures?
41. An employer wants to skip writing a lockout procedure for one simple machine. Which of these is NOT a condition of that exception? A) The machine has a single energy source that can be readily identified and isolated B) A single lockout device will achieve a locked-out condition C) The employer has had no accidents involving unexpected activation of the machine during servicing D) At least two authorized employees must do the servicing together
42. Which four items must a written energy control procedure include at a minimum?
43. Who must provide the locks, tags, chains, wedges and other hardware used to isolate and block equipment?
44. A mechanic wants to use a spare lockout padlock to secure a personal toolbox. Does 1910.147 allow it?
45. Tags will hang in a wet washdown area next to an acid storage room. What does the durability requirement say about them?
46. When a facility standardizes its lockout and tagout devices, which features may it standardize on, and what must tags also share?
47. How substantial must a lockout device be?
48. What does 1910.147 require of the means used to attach a tagout device?
49. What must every lockout and tagout device identify, and what kind of legend must a tag carry?
50. How often must the employer inspect each energy control procedure, and who may do the inspection?
51. During a periodic inspection, how does the review differ when tagout is used instead of lockout?
52. What four facts must the employer's certification of a periodic inspection identify?
53. What training must each authorized employee receive under 1910.147?
54. A janitor works near machines that are sometimes locked out but never services them. What instruction does 1910.147 require for that worker?
55. In what basic way does 1910.147 say a tag differs from a lock?
56. A worker finds a tag on a breaker and believes the job is finished. May the worker take the tag off?
57. Which of these is one of the tag limitations employees must be trained on under 1910.147? A) Tags provide the same physical restraint as a lock B) Tags may evoke a false sense of security C) Tags only need to be readable by authorized employees D) Tags may be loosely hung so they can be moved
58. When must authorized and affected employees be retrained under 1910.147?
59. A periodic inspection shows an authorized employee skipping the verification step. What does 1910.147 require next?
60. What must the employer's certification of lockout/tagout training contain?
61. Who may actually perform lockout or tagout on a machine?
62. When must affected employees be notified about lockout or tagout devices?
63. Before turning off a machine for lockout, what must the authorized employee know?
64. Put the 1910.147 steps for applying energy control in order: stored energy, isolation, preparation for shutdown, verification of isolation, shutdown, device application.
65. Why does 1910.147 require an orderly shutdown of the machine?
66. Where must a tag go when it is used on a lockable valve, and where must it go if it cannot be attached to the device at all?
67. Locks are on, but a hydraulic accumulator could rebuild pressure during the job. What does 1910.147 require?
68. What must the authorized employee confirm before starting work on locked-out equipment?
69. Servicing is finished. What must be checked before lockout devices come off and energy is restored?
70. The employee who applied a lock has gone home sick. What must the employer's specific removal procedure include before the lock is removed under its direction?
71. A mechanic must briefly energize a locked-out machine to test a repair. What sequence does 1910.147 require?
72. An outside contractor will service equipment at a plant. What does 1910.147 require of the two employers?
73. A crew of six services a conveyor under one group lockout. What must each authorized employee on the crew do?
74. In a group lockout, who holds primary responsibility, and what happens when more than one crew or department is involved?
75. A repair job runs past the end of a shift. What does 1910.147 require?
76. True or false: Appendix A to 1910.147, the Typical Minimal Lockout Procedure, adds mandatory requirements to the standard.
77. Appendix A to 1910.147 lists examples of stored or residual energy. Which of these is one of them, and how may it be dissipated or restrained? A) A rotating flywheel B) A painted surface C) A fluorescent light that is off D) A locked padlock
78. How does the Appendix A sample procedure say to verify isolation, and what caution follows?
79. When restoring equipment to service, the Appendix A procedure has the controls checked before the locks come off. What check, and what note does it add about blocking?
80. Under the Appendix A sample procedure, what must any employee do on seeing a machine locked out for servicing?
81. According to OSHA's Lockout/Tagout fact sheet, how many deaths and injuries does compliance with the standard prevent each year?
82. According to OSHA's fact sheet, how long do workers injured by hazardous energy take to recover on average, and how many workers face the greatest risk?
83. Besides 1910.147, which OSHA rule does the fact sheet name for employees working on electric circuits and equipment?
84. OSHA's fact sheet says lockout/tagout training must cover at least three areas. What are they?
85. OSHA's fact sheet lists critical employer requirements for lockout/tagout. Which is NOT among them? A) Ensure new or overhauled equipment is capable of being locked out B) Ensure lockout/tagout devices identify the individual users C) Inspect energy control procedures at least annually D) Let any coworker remove a lock once the job looks finished
86. Which injuries does OSHA list as possible when hazardous energy is not controlled during maintenance?
87. OSHA's hazardous energy page describes a steam valve turning on while workers repair a downstream pipe connection. What happens to the workers in that example?
88. For construction work, which OSHA subparts does OSHA's hazardous energy page name as also addressing the control of hazardous energy?

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