0
Add your answer:
Earn +20 pts
What is the minimum oxygen level for a confined space?
The minimum oxygen level for a confined space should be at least 19.5%. Levels below this can be unsafe for workers, potentially leading to asphyxiation and other health risks. It is important to monitor and maintain proper oxygen levels in confined spaces to ensure safety.
What must be done if oxygen deficiency occurs 19.5 percent during a permit required confined space entry?
If oxygen levels fall below 19.5% during a permit-required confined space entry, all entrants must stop work immediately and leave the confined space. No one may reenter that space until testing shows that adequate oxygen levels have been restored.
What is the most common cause of fatalities in an oxygen deficient confined space?
asphyxiation
What is the maximum concentration of oxygen allowed for safe entry into a confined space?
23.5%
Will a mixture of propane and oxygen in a confined space explode?
Not on its own. It needs a source of ignition.
How does nitrogen cause death when a human enters a confined space purged with nitrogen?
Nitrogen displaces oxygen in the confined space, leading to a lack of oxygen in the bloodstream when breathed in by the person. This can rapidly lead to unconsciousness and ultimately death due to oxygen deprivation. Nitrogen itself is not toxic, but the lack of oxygen is what causes harm.
How many cfm are minimum required for welding in a confined space without respirator protection?
2200 cfm
What is safe range of Oxygen level in confined space?
The safe range of oxygen level in a confined space is typically considered to be between 19.5% and 23.5%. Oxygen levels below 19.5% can lead to hypoxia, while levels above 23.5% can increase the risk of combustion and fire hazards. Regular monitoring and control of oxygen levels is crucial in confined spaces to ensure the safety of individuals working in these environments.
How can the oxygen level in a permit-required confined space be made safer?
Improve the ventilation rate
What is the importance of knowing about heavy gases when entering a confined space?
Gases displace oxygen, and heavy gasses will sit under oxygen containing air, hence if you are in a confined space it is necessary to know about the potential lack of air supply to breathe, aswell as the potential of combustion and the like.
What is confind space?
Confined space is an area that is enclosed. A dog kennel could be a confined space for a dog. A living room is a confined space for example.
What are two of the limitations of using self-contained breathing apparatus in confined space?
Provide a limited air supply Bulky and limit mobility
