Confined space final Exam Questions
and Answers 100% Pass
Which is NOT a definition of a confined space? - ✔✔A space that requires purging
prior to entering.
Entry into a permit-required confined space is considered to have occurred when: -
✔✔Any part of the entrants body breaks the plane of the opening into the space.
Atmospheric monitoring instruments are: - ✔✔Capable of detecting gases and vapors.
What way do toxic materials enter the body? - ✔✔Inhaled.
How long is a permit to be retained? - ✔✔12 months.
The advantage of using the brake bar rack over the figure eight descender is that: -
✔✔Friction can be added or subtracted during use.
Which of the following would not be considered an atmospheric hazard? -
✔✔Atmospheric oxygen reading of 20%.
When referring to rope, the term "kern* means: - ✔✔core.
Katelyn Whitman, All Rights Reserved © 2025 1
, Confined space entry permits are to be dated and signed by. - ✔✔the authorized entry
supervisor.
The PEL for hydrogen sulfide is: - ✔✔10 PPM
A "C5" exemption is also referred to as: - ✔✔B. alternate entry procedures.
The leading cause of worker death in confined spaces resulls from: - ✔✔asphyxiation
One 220 lb rescuer hanging on a rope rescue system is equal to: - ✔✔1kN
According to the OSHA confined space standard, entrants are permitted to remove
retrieval lines in a permit-required confined space when: - ✔✔it would increase the
overall risk to the entrant.
What are the three OSHA regulated positions at a permit-required confined space
entry? - ✔✔Entrant, Attendant, Entry Supervisor
OSHA defines an oxygen deficient atmosphere as one containing less than: - ✔✔19.5%
oxygen
Atmospheric monitoring instruments require a minimum level of oxygen for proper
instrument operation because: - ✔✔toxic sensors are oxygen pressure dependent
What poses the greatest danger of an exposure to carbon monoxide? -
✔✔Carboxyhemoglobin
Katelyn Whitman, All Rights Reserved © 2025 2
and Answers 100% Pass
Which is NOT a definition of a confined space? - ✔✔A space that requires purging
prior to entering.
Entry into a permit-required confined space is considered to have occurred when: -
✔✔Any part of the entrants body breaks the plane of the opening into the space.
Atmospheric monitoring instruments are: - ✔✔Capable of detecting gases and vapors.
What way do toxic materials enter the body? - ✔✔Inhaled.
How long is a permit to be retained? - ✔✔12 months.
The advantage of using the brake bar rack over the figure eight descender is that: -
✔✔Friction can be added or subtracted during use.
Which of the following would not be considered an atmospheric hazard? -
✔✔Atmospheric oxygen reading of 20%.
When referring to rope, the term "kern* means: - ✔✔core.
Katelyn Whitman, All Rights Reserved © 2025 1
, Confined space entry permits are to be dated and signed by. - ✔✔the authorized entry
supervisor.
The PEL for hydrogen sulfide is: - ✔✔10 PPM
A "C5" exemption is also referred to as: - ✔✔B. alternate entry procedures.
The leading cause of worker death in confined spaces resulls from: - ✔✔asphyxiation
One 220 lb rescuer hanging on a rope rescue system is equal to: - ✔✔1kN
According to the OSHA confined space standard, entrants are permitted to remove
retrieval lines in a permit-required confined space when: - ✔✔it would increase the
overall risk to the entrant.
What are the three OSHA regulated positions at a permit-required confined space
entry? - ✔✔Entrant, Attendant, Entry Supervisor
OSHA defines an oxygen deficient atmosphere as one containing less than: - ✔✔19.5%
oxygen
Atmospheric monitoring instruments require a minimum level of oxygen for proper
instrument operation because: - ✔✔toxic sensors are oxygen pressure dependent
What poses the greatest danger of an exposure to carbon monoxide? -
✔✔Carboxyhemoglobin
Katelyn Whitman, All Rights Reserved © 2025 2
