Group 3 Lock Out / Tag Out Post-Test

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The following post-test will ask 10 questions refering to the safety presentation. The test is multiple choice. Please choose one answer per question.

Questions and Answers

1.

According to OSHA studies, why is Lock Out / Tag Out important to use?
- A.
  
  It keeps lock companies in business
- B.
  
  The colors of the locks look great with the equipment
- C.
  
  It is good exercise
- D.
  
  Maufacturing equipment may still be energized and move
- E.
  
  It makes the machinery run better
Correct Answer
D. Maufacturing equipment may still be energized and move

Explanation
Even though the power to machines may be off, there is a possibility of stored power still in the system.

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2.

An electric arc has a temperature of,
- A.
  
  10 to 20 degrees C
- B.
  
  100 to 500 degrees C
- C.
  
  1000 to 3000 degrees C
- D.
  
  5000 to 20,000 degrees C
- E.
  
  None of the above
Correct Answer
D. 5000 to 20,000 degrees C

Explanation
Believe it or not the arc is between 5000 and 20,000 degrees. It would not take long at all to burn all internal organs.

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3.

Hydraulic system fluid ca be pressurized in excess of,
- A.
  
  10 psi
- B.
  
  600 psi
- C.
  
  2000 psi
- D.
  
  It is not pressurized
- E.
  
  0 psi
Correct Answer
C. 2000 psi

Explanation
The force of hydraulic fluid can penetrate body parts that are usually lost if medical attention is not addressed.

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4.

The process of shutting the power off to a machine that you will be working on and locking is,
- A.
  
  Lockout
- B.
  
  Tagout
- C.
  
  Servicing
- D.
  
  Assisting
- E.
  
  Maintenance
Correct Answer
A. Lockout

Explanation
The process is lockout.

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5.

The process of tagging the machine that is locked out is,
- A.
  
  Personalizing
- B.
  
  Tag Out
- C.
  
  Working
- D.
  
  PM
- E.
  
  5S
Correct Answer
B. Tag Out

Explanation
Tag Out is adding your name to a lock that you are responisible for.

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6.

The first step in Lock Out / Tag Out is,
- A.
  
  Clean your lock
- B.
  
  Shut off the machinery
- C.
  
  Notify all area personal of the work
- D.
  
  Clean out the area
- E.
  
  Find your tools
Correct Answer
C. Notify all area personal of the work

Explanation
By notifying all area personal, they will know who is working in the danger one area and to stay away and warn others.

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7.

Why would you choose a hasp in Lock Out / Tag Out?
- A.
  
  It's a stronger lock
- B.
  
  For valves
- C.
  
  For multiple users
- D.
  
  It de-energizes machinery
- E.
  
  It looks cool
Correct Answer
C. For multiple users

Explanation
Hasps are used for multiple workers that have responsibilty to service the machinery. A lock takes so much room and the space on the power source is usually too small for many locks.

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8.

What do you do if the machinery stlll moves or reacts when you are locked out?
- A.
  
  Go in and check out
- B.
  
  Turn the power to the plant off
- C.
  
  Call manufacturer
- D.
  
  Start production back up
- E.
  
  Call Supervisor
Correct Answer
E. Call Supervisor

Explanation
Call your supervisor to have an engineer or technician understand why the machinery has potential energy.

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9.

Who is responsible for Lock Out / Tag Out
- A.
  
  Service techicians
- B.
  
  Plant managers
- C.
  
  Operators
- D.
  
  Safety trainers
- E.
  
  All the above
Correct Answer
E. All the above

Explanation
Everyone should be responsible in lock out/tag out either in a way of reminding, using or enforcing the rule.

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10.

The most common cause of machinery accidents is
- A.
  
  The machine or piece of equipment was not completely shut off before a maintenance or repair operation.
- B.
  
  The machine was turned on accidentally, either out of carelessness or because the person who turned it on didn't realize that another worker was there and could get hurt.
- C.
  
  The machine wasn't working correctly but wasn't fixed, turned off, locked or tagged, and someone who didn't know about the problem used it
- D.
  
  Safety procedures were inadequate or hadn't been properly explained.
- E.
  
  All the above
Correct Answer
E. All the above

Explanation
All of the listed accidents happen too many times. Lock Out and Tag Out must be used when servicing machinery and equipment.

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Current Version
Jan 02, 2013

Quiz Edited by
ProProfs Editorial Team
Jul 01, 2009

Quiz Created by
Tmostuff

Group 3 Lock Out / Tag Out Post-test

According to OSHA studies, why is Lock Out / Tag Out important to use?

An electric arc has a temperature of,

Hydraulic system fluid ca be pressurized in excess of,

The process of shutting the power off to a machine that you will be working on and locking is,

The process of tagging the machine that is locked out is,

The first step in Lock Out / Tag Out is,

Why would you choose a hasp in Lock Out / Tag Out?

What do you do if the machinery stlll moves or reacts when you are locked out?

Who is responsible for Lock Out / Tag Out

The most common cause of machinery accidents is