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1. Question : An area large enough to enter, not designed for occupancy, and hard to get in or out of is known as a ____ space. Student Answer: confined dangerous permit-required restricted Points Received: 1 of 1 Comments: 2.
Question : The process by which gases and vapors settle into layers within an area based on their weight is known as ____. Student Answer: sedimentation compaction separation stratification Points Received: 1 of 1 Comments: 3. Question : Dust that obscures visibility to less than ____ ft must be considered ignitable. Student Answer: 4 5 6 7 Points Received: 1 of 1
Comments: 4. Question : The person positioned outside a confined space who monitors the conditions in and outside the space to ensure the safety of the entrant is known as the ____. Student Answer: entry supervisor co-entrant entry worker confined space attendant Points Received: 1 of 1 Comments: 5. Question : An operation in which entrants leave a confined space on their own power when an emergency occurs is known as ____. Student Answer: internal rescue non-entry rescue self-rescue attendant rescue
Points Received: 1 of 1 Comments: 6. Question : An explosion caused when air is suddenly introduced into a confined area that contains high levels of heat and combustible gases is known as a(n) ____ explosion. Student Answer: backdraft flashover combustion ignition Points Received: 1 of 1 Comments: 7. Question : A ____ can collect small samples from inside a drum without damaging or affecting the material. Student Answer: dipper drum dipper
drum thief drum sampler Points Received: 1 of 1 Comments: 8. Question : Changes in temperature can increase vapor production known as ____ and possibly lower vapor density, which would keep gases near the ground instead of allowing them to dissipate into the atmosphere. Student Answer: vaporization temperate volatilization dissipation Points Received: 1 of 1 Comments: 9. Question : An operation in which the attendant uses the retrieval equipment worn by entrants to pull them out of a confined space is known as ____. Student Answer:
internal rescue non-entry rescue self-rescue attendant rescue Points Received: 1 of 1 Comments: 10. Question : The most significant weather event that may alter a contamination situation is ____. Student Answer: rain wind snow high temperatures Points Received: 1 of 1
Published on May 12, 2014
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