4AE3 U4 C2 Obj 4

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Questions and Answers

Which devices are considered energy isolating devices?

  • Valves
  • Blinds
  • Blanks
  • All of the above (correct)

What is the purpose of a lockout in equipment maintenance?

  • To remove parts from the equipment
  • To release stored energy
  • To energize the equipment
  • To prevent interference with the equipment (correct)

What must be done before work begins on equipment?

  • De-energize all energy sources (correct)
  • Force the valve to move
  • Remove parts from the equipment
  • Install locks and chains

Which workers are typically assigned to repair a single piece of equipment?

<p>Electricians, power engineers, and mechanics (B)</p> Signup and view all the answers

What is the purpose of a group lockout?

<p>To protect all workers who are required to work on locked out equipment (A)</p> Signup and view all the answers

What is a complex group lockout?

<p>A situation where there can be more than one group lockout in place at the same time (C)</p> Signup and view all the answers

Which type of lockout is performed by one or two trained individuals using a set of lockbox locks?

<p>Group lockout (B)</p> Signup and view all the answers

What is the purpose of a car seal in lockout procedures?

<p>To provide a unique number for identification (D)</p> Signup and view all the answers

What is the main use of personal locks in lockout procedures?

<p>To secure equipment that only one person will be working on (D)</p> Signup and view all the answers

Which color of locks is designated for maintenance crews?

<p>Black (B)</p> Signup and view all the answers

What is the purpose of a lockout sheet?

<p>To list all isolation points where a lockbox lock has been applied (B)</p> Signup and view all the answers

What is the purpose of a bump test at a motor control center (MCC)?

<p>To prove that the motor will not start accidentally (D)</p> Signup and view all the answers

What must be recorded on the lockout sheet after completing work?

<p>The isolation points that have been restored to normal operating positions (D)</p> Signup and view all the answers

What must be done before accessing the master keys of the group locks?

<p>Break the car seal off (C)</p> Signup and view all the answers

Who is responsible for verifying that all locks have been removed?

<p>The supervisor or designate (C)</p> Signup and view all the answers

Which type of lockout is performed by an individual and involves locking out equipment that only they will be working on?

<p>Personal lockout (D)</p> Signup and view all the answers

What is the purpose of a car seal in lockout procedures?

<p>To secure equipment that others will be working on (D)</p> Signup and view all the answers

What is the main use of a lockbox lockout in lockout procedures?

<p>To secure equipment that others will be working on (D)</p> Signup and view all the answers

Which workers are typically involved in a group lockout?

<p>Electricians, power engineers, and mechanics (C)</p> Signup and view all the answers

Who are the two trained operators responsible for performing a group lockout?

<p>Lock installer and verifier (D)</p> Signup and view all the answers

What is the purpose of a lockbox in a group lockout?

<p>To store the master key and unused locks from the lock sets (A)</p> Signup and view all the answers

Which of the following is NOT considered an energy isolating device in lockout procedures?

<p>Gloves (A)</p> Signup and view all the answers

What is the purpose of installing locks and chains on energy sources before work begins?

<p>To prevent equipment from being operated or interfered with (D)</p> Signup and view all the answers

In lockout procedures, what must be done to provide a level of protection equal to or greater than that achieved by locking and tagging?

<p>De-energizing all energy sources (C)</p> Signup and view all the answers

Which color of locks is designated for commissioning and start-up?

<p>Silver (B)</p> Signup and view all the answers

What is the purpose of the car seal used in lockout procedures?

<p>To access the master keys of the group locks (D)</p> Signup and view all the answers

What information must be recorded on the lockout sheet after completing work?

<p>The status change of equipment (D)</p> Signup and view all the answers

What is the purpose of a bump test at a motor control centre (MCC)?

<p>To ensure that the motor will not start accidentally (D)</p> Signup and view all the answers

Who is responsible for verifying that all locks have been removed?

<p>The supervisor or designate (A)</p> Signup and view all the answers

What must be done before accessing the master keys of the group locks?

<p>Break the car seal (D)</p> Signup and view all the answers

Which of the following is true about group lockouts?

<p>The master key opens all the locks in the set (D)</p> Signup and view all the answers

Which workers are responsible for performing a group lockout?

<p>Lock installers and verifiers (B)</p> Signup and view all the answers

During a complex group lockout, what should workers do with their personal locks?

<p>Remove them from the lockbox (C)</p> Signup and view all the answers

What is the purpose of a personal lockout in equipment maintenance?

<p>To secure equipment that only one person will be working on (D)</p> Signup and view all the answers

What is the main use of personal locks in lockout procedures?

<p>To identify the owner of a lock (C)</p> Signup and view all the answers

What is the purpose of a car seal in lockout procedures?

<p>To provide a level of protection equal to or greater than locking and tagging (D)</p> Signup and view all the answers

Which of the following is NOT considered an energy isolating device in lockout procedures?

<p>Pumps (C)</p> Signup and view all the answers

What is the purpose of a bump test at a motor control center (MCC)?

<p>To verify proper operation of the equipment (D)</p> Signup and view all the answers

What must be done before accessing the master keys of the group locks?

<p>Verify that all locks have been removed (C)</p> Signup and view all the answers

Which color of locks is designated for operations in lockout procedures?

<p>Yellow (D)</p> Signup and view all the answers

What is the purpose of a lockout sheet in lockout procedures?

<p>To record all isolation points where a lockbox lock has been applied (C)</p> Signup and view all the answers

What must be done before accessing the master keys of the group locks in lockout procedures?

<p>Break the car seal off (C)</p> Signup and view all the answers

What is the purpose of a bump test at a motor control center (MCC) in lockout procedures?

<p>To prove that the motor will not start accidentally (D)</p> Signup and view all the answers

Who is responsible for removing personal locks from the lockbox after completing work in lockout procedures?

<p>All involved workers (C)</p> Signup and view all the answers

What must be done to provide a level of protection equal to or greater than that achieved by locking and tagging in lockout procedures?

<p>Install locks and chains on energy sources before work begins (D)</p> Signup and view all the answers

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