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Nccer core module 2 basic safety (whole module) exam questions with complete solutions 2024
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Nccer core module 2 basic safety (whole module) exam questions with complete solutions 2024
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field safety review questions module 21. which of the following is most likely to be classified as a non permit
confined space: a new construction open vault
2. You can step into a permit required confined space without and entry
permit as long as you are merely handing over tools and equipment: false
3. An oxygen enriched atmosphere contains an oxygen level of over:
23.5%
4. The attendant on a confined space entry team: Never enter the confined
space for a rescue
5. Required ppe will be listed on the confined space entry permit: true
6. During a trench failure, sandy soil tend to: collapse straight down
7. If water starts to accumulate at the bottom of a trench: stop work and get
immediately
8. All shoring must be installed from inside the trench: false
9. A common type C soil: sand
10. The two classifications for confined spaces are non permit and permit
required: true
11. The type of permit that must be issued before entering a permit
required confined space is called a: entry permit
12. The most common type of hazard in a confined space is: atmospheric
13. An explosion in a combustible atmosphere can be caused by: A source
of ignition such as a flame or a spark
14. The order in which atmospheric testing must be done: Oxygen
content,flammable gases and vapors, and potential toxic contaminants
15. A confined space entrant is responsible for: Alerting the attendant when
warning signs or symptoms of exposure exist
16. A confined space attendant usually performs a non entry rescue: true
17. One cubic yard of earth weighs approximately: 3000 pounds
18. The most common hazard during excavation is: a cave in
19. The type of trench securing method that includes uprights, walers, and
cross braces is a: a shoring system
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