CONFINED SPACE OPS UPDATED Exam
Questions and CORRECT Answers
a confined space is a space that is - CORRECT ANSWER - - large enough and so
configured a person can bodily enter and perform assigned work
- has a limited means of entry or exit
- not designed for continued occupancy
what are the two classifications of a confined space - CORRECT ANSWER - non-permit
required and permit required
a non-permit required space is one that does not contain or potential to contain what -
CORRECT ANSWER - any hazard capable of causing death or serious physical harm
what three type of zones should be established per HAZMAT standards - CORRECT
ANSWER - HOT/WARM/COLD zones
what type of lighting and equipment should be used - CORRECT ANSWER - explosion
proof or intrinsically safe
what can help eliminate a hazardous atmosphere inside a confined space - CORRECT
ANSWER - ventilation
what should be kept away from the entry opening - CORRECT ANSWER - tools and
equipment
recommended groups/divisions for confined space ops - CORRECT ANSWER - -rescue
safety
-rescue group
-entry team
, -back up team
-equipment and logistics
-atmospheric monitoring
-medical/EMS
what other information about the space should be located - CORRECT ANSWER - MSDS
plans
Schematics
Drawings
HazMat references
personnel monitoring the opening prior to opening and during opening shall wear full PPE
including ____ due to unknown atmosphere - CORRECT ANSWER - SCBA
personnel monitoring must be currently qualified in _____ - CORRECT ANSWER -
confined space rescue and entry
types of ventilation to be considered to eliminate hazardous atmosphere - CORRECT
ANSWER - positive and negative
what should be considered when ventilating a confined space - CORRECT ANSWER -
effects of the atmosphere in changing flammability of vapors
oxygen deficient is less than _____ - CORRECT ANSWER - 19.5%
oxygen enriched is greater than _____ - CORRECT ANSWER - 23.0%
flammability IDLH is considered at what level of LEL - CORRECT ANSWER - 10%
Questions and CORRECT Answers
a confined space is a space that is - CORRECT ANSWER - - large enough and so
configured a person can bodily enter and perform assigned work
- has a limited means of entry or exit
- not designed for continued occupancy
what are the two classifications of a confined space - CORRECT ANSWER - non-permit
required and permit required
a non-permit required space is one that does not contain or potential to contain what -
CORRECT ANSWER - any hazard capable of causing death or serious physical harm
what three type of zones should be established per HAZMAT standards - CORRECT
ANSWER - HOT/WARM/COLD zones
what type of lighting and equipment should be used - CORRECT ANSWER - explosion
proof or intrinsically safe
what can help eliminate a hazardous atmosphere inside a confined space - CORRECT
ANSWER - ventilation
what should be kept away from the entry opening - CORRECT ANSWER - tools and
equipment
recommended groups/divisions for confined space ops - CORRECT ANSWER - -rescue
safety
-rescue group
-entry team
, -back up team
-equipment and logistics
-atmospheric monitoring
-medical/EMS
what other information about the space should be located - CORRECT ANSWER - MSDS
plans
Schematics
Drawings
HazMat references
personnel monitoring the opening prior to opening and during opening shall wear full PPE
including ____ due to unknown atmosphere - CORRECT ANSWER - SCBA
personnel monitoring must be currently qualified in _____ - CORRECT ANSWER -
confined space rescue and entry
types of ventilation to be considered to eliminate hazardous atmosphere - CORRECT
ANSWER - positive and negative
what should be considered when ventilating a confined space - CORRECT ANSWER -
effects of the atmosphere in changing flammability of vapors
oxygen deficient is less than _____ - CORRECT ANSWER - 19.5%
oxygen enriched is greater than _____ - CORRECT ANSWER - 23.0%
flammability IDLH is considered at what level of LEL - CORRECT ANSWER - 10%
