Confined Space Quiz #1



Confined Space Quiz

1. The entrant should notify the attendant when:

| |a. Conditions of the confined space change from an approved to a prohibited condition. | | | |

| |b. He/she feels dizzy. | | | |

| |c. He/she sees warning signs of a cave-in. | | | |

| |d. All of the above. | | | |

2. The entry permit must be signed by:

| |a. The attendant. | | | |

| |b. The entry supervisor. | | | |

| |c. A registered engineer. | | | |

| |d. The entrant. | | | |

3. It is important to monitor the surrounding air outside a confined space to make sure it is not contaminated.

| |a. True | |b. False | |

4. Lockout/tag out procedures must be used to prevent accidental start-up of equipment during an entry.

| |a. True | |b. False | |

5. The atmosphere of a confined space is not acceptable if the concentration of a flammable gas, vapor or mist present is:

| |a. Not detected in tests. | | | |

| |b. So thick you can’t see five yards in front of you. | | | |

| |c. Greater than 10% of its lower flammable limit (LFL) or lower explosive limit (LEL). | | | |

| |d. Greater than 5% of its lower combustible limit (LCL). | | | |

6. An attendant should notify the entrants:

| |a. When conditions of the confined space change from approved to a prohibited condition. | | | |

| |b. And order evacuation when conditions outside the confined space are hazardous to the | | | |

| |entrants. | | | |

| |c. And order evacuation if he sees warning signs of a cave-in. | | | |

| |d. All of the above. | | | |

7. Each member of an in-plant rescue team must receive training at least once every 12 months that involves simulated rescue operations in permit spaces.

| |a. True | |b. False | |

8. An oxygen-enriched atmosphere in a confined space is when the oxygen content is greater than 23.5%.

| |a. True | |b. False | |

9. The entry supervisor is responsible for the following duties:

| |a. Authorizing entry. | | | |

| |b. Determining if conditions are acceptable for an entry. | | | |

| |c. Terminating the entry if necessary. | | | |

| |d. All of the above. | | | |

10. The entry permit authorizes entry to anyone who wishes to enter the permit-required confined space.

| |a. True | |b. False | |

11. A confined space:

| |a. Allows for continuous human occupancy. | | | |

| |b. Has restricted entry and exit. | | | |

| |c. Is large enough and configured to allow workers to enter and perform required duties. | | | |

| |d. Both b. and c. | | | |

12. An entrant should evacuate the confined space when:

| |a. Conditions of the confined space change from approved to prohibited conditions. | | | |

| |b. The duration of the permit has expired. | | | |

| |c. The attendant orders the entrant to evacuate. | | | |

| |d. All of the above. | | | |

13. The entry supervisor should do all of the following except:

| |a. Verify all equipment is operable and in place. | | | |

| |b. Verify the permit is properly filled out. | | | |

| |c. Sign entry permit before required testing is completed. | | | |

| |d. Verify that rescue services are available. | | | |

14. An entry supervisor can cancel the permit and terminate the entry when a condition arises near the confined space that isn’t allowed on the permit.

| |a. True | |b. False | |

15. When you test the air in a confined space, what are you testing for?

| |a. Oxygen. | | | |

| |b. Combustibility. | | | |

| |c. Toxicity. | | | |

| |d. All of the above. | | | |

Signature _________________________________PR# ____________ Date _______________________

Instructor ________________________________ Instructor ___________________________________

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