Self-Test A-1.7: Describe Lockout and Tagout Procedures

Complete Self-Test A-1.7 and check your answers.

1. What rules apply when working on equipment requiring lockout procedures?
   1. Apply and tag only your own lock
   2. Remove all tags other than your own, then apply your own tag
   3. Remove all locks other than your own, then apply your own lock
   4. Remove locks and tags other than your own, then apply yours
2. What does it mean to “lock out” machinery or equipment?
   1. Turn all switches off
   2. Shut off the electrical supply
   3. Disconnect all energy sources
   4. Disconnect the compressed air
3. Work is to be performed on a live process piping line. What precautions must be initiated before work can begin?
   1. Upstream valve must be shut and flagged
   2. New personal protective equipment is distributed
   3. Lockout and tagout procedures must be initiated and performed
   4. General work site safety meeting must take place to discuss work
4. In a lockout, who is authorized to remove your lock?
   1. You
   2. Safety officer
   3. Site supervisor
   4. The next shift worker
5. You are to begin lockout procedures on a pump. What is one of your tasks?
   1. Ensure that the pump cannot operate
   2. Remove locks from the night shift
   3. Ensure that flow is unrestricted to the pump
   4. Ensure that all workers have a copy of your key
6. Which of the following situations would not require lockout/tagout?
   1. Repairing a sump pump
   2. Replacing a hydraulic valve
   3. Removing and repairing a steam trap
   4. Flying a bundle of pipe over a walkway
7. Lockout devices require a visual verification that states: name of worker, date of work, equipment to be worked on. What else must be stated?
   1. “Danger Do Not Operate”
   2. “Replacement part to be removed”
   3. “Grade and quality of scissor hasp”
   4. “The department the worker is from”
8. Which of the following is the safest way to lock out a piece of equipment that plugs into a receptacle?
   1. Tell co-workers face-to-face
   2. Yellow flag the on/off switch
   3. Post a memo in the lunchroom
   4. Use a power cord plug lock box
9. In an emergency, management may remove someone else’s lock, but only if the worker cannot be located.
   1. True
   2. False
10. At shift end, your co-worker must leave the site early. He can give you permission to remove his lock for him.
    1. True
    2. False
11. A blind is used to lock out a section of pipe only if there is not a valve readily accessible.
    1. True
    2. False
12. A spade, also known as a frying pan, is a blind placed between two flanges.
    1. True
    2. False
13. What term describes equipment after it has been locked out/tagged out and is ready to be be serviced or maintained?
    1. Neutrally balanced
    2. Zero energy state
    3. Kinetic energy
    4. Potential energy

Answer Key: Self-Test A-1.7 is on the other page.