Confined Space Exam Questions and
Answers 100% Pass
Lockout - Tag out
Take care of everything in your space - ✔✔Space Isolation-Must be performed by an
"Authorized" employee only!
Minimum number of people on confined space - ✔✔4 but usually there's a lot more
____ percent of would-be rescuers die. Of that percentage the cause of death in
hazardous atmosphere ____ percent of the time. ____ percent of the time the hazardous
atmospheres are ____ deficient. - ✔✔60, 65, 90, O2
OSHA - ✔✔Occupational Safety and Health Administration:
Fed/OSHA - Code of Federal Regulations (CFR)
Cal/OSHA - California Code of Regulations (CCR)
*Cal/OSHA is more strict than Fed/OSHA
ANSI - ✔✔American National Standards Institute:
Safety requirements for working in tanks and other confined spaces (Statistics)
Brittie Donald, All Rights Reserved © 2025 1
, *Also set standards, compliance may be mandatory
NIOSH - ✔✔National Institute for Occupational Safety and Health:
Working in confined spaces (Recommendations)
*Also set standards, compliance may be mandatory
CFR Permit required confined space - ✔✔Section 29 CFR 1910.146
Part 1910 - General industry ONLY
Intent vs Letter of the law
CFR Covered by other regulation - ✔✔Shipyard employment - Part 1915
Construction - part 1926
Agriculture - 1928
*Performance-oriented not specification-oriented
CCR General Industry Safety Orders - ✔✔Subchapter 7 General industry safety orders
Group 16 Control of hazardous substances
Article 108 Confined spaces
Brittie Donald, All Rights Reserved © 2025 2
Answers 100% Pass
Lockout - Tag out
Take care of everything in your space - ✔✔Space Isolation-Must be performed by an
"Authorized" employee only!
Minimum number of people on confined space - ✔✔4 but usually there's a lot more
____ percent of would-be rescuers die. Of that percentage the cause of death in
hazardous atmosphere ____ percent of the time. ____ percent of the time the hazardous
atmospheres are ____ deficient. - ✔✔60, 65, 90, O2
OSHA - ✔✔Occupational Safety and Health Administration:
Fed/OSHA - Code of Federal Regulations (CFR)
Cal/OSHA - California Code of Regulations (CCR)
*Cal/OSHA is more strict than Fed/OSHA
ANSI - ✔✔American National Standards Institute:
Safety requirements for working in tanks and other confined spaces (Statistics)
Brittie Donald, All Rights Reserved © 2025 1
, *Also set standards, compliance may be mandatory
NIOSH - ✔✔National Institute for Occupational Safety and Health:
Working in confined spaces (Recommendations)
*Also set standards, compliance may be mandatory
CFR Permit required confined space - ✔✔Section 29 CFR 1910.146
Part 1910 - General industry ONLY
Intent vs Letter of the law
CFR Covered by other regulation - ✔✔Shipyard employment - Part 1915
Construction - part 1926
Agriculture - 1928
*Performance-oriented not specification-oriented
CCR General Industry Safety Orders - ✔✔Subchapter 7 General industry safety orders
Group 16 Control of hazardous substances
Article 108 Confined spaces
Brittie Donald, All Rights Reserved © 2025 2
