HAZMAT OPS 2025 Day 3 Exam Questions and
Answers 100% Pass
Provides the highest level of respiratory protection, can be used in oxygen-deficient atmospheres (less
than 19.5) and does not restrict the distance the wearer may travel or path they may take P. 85 - ✔✔What
are the advantages of a Positive Pressure Self-Contained Breathing Apparatus (SCBA)?
Positive Pressure Self-Contained Breathing Apparatus (SCBA) P. 85 - ✔✔The minimum requirement for
respiratory protection at hazardous materials/WMD incidents until concentrations have been
determined, is what?
Annually P. 85 - ✔✔How often does NFPA 1500 require all responders using SCBA to be medically
certified?
SAR (Supplied Air Respirator) P. 86 - ✔✔This type of respirator impairs mobility, is not for use in IDLH
conditions or in oxygen deficient atmospheres unless equipped with an emergency egress and limits
travel distance to 300 ft.?
Closed-Circuit SCBA P. 87 - ✔✔This respirator replenishes consumed oxygen with oxygen from a liquid
or gaseous source and is designed to protect personnel in hazardous, toxic, or oxygen-deficient
environments?
Powered Air-Purifying Respirator (PAPR) P. 88 - ✔✔This respirator has a battery fan that pulls the air
through filtration canisters minimizing stress on the user?
Cannot be used in atmospheres where hazard concentrations are Immediately Dangerous to Life and
Health (IDLH) or in oxygen deficient atmospheres, atmosphere must be identified and below allowable
Page 1/4
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
Answers 100% Pass
Provides the highest level of respiratory protection, can be used in oxygen-deficient atmospheres (less
than 19.5) and does not restrict the distance the wearer may travel or path they may take P. 85 - ✔✔What
are the advantages of a Positive Pressure Self-Contained Breathing Apparatus (SCBA)?
Positive Pressure Self-Contained Breathing Apparatus (SCBA) P. 85 - ✔✔The minimum requirement for
respiratory protection at hazardous materials/WMD incidents until concentrations have been
determined, is what?
Annually P. 85 - ✔✔How often does NFPA 1500 require all responders using SCBA to be medically
certified?
SAR (Supplied Air Respirator) P. 86 - ✔✔This type of respirator impairs mobility, is not for use in IDLH
conditions or in oxygen deficient atmospheres unless equipped with an emergency egress and limits
travel distance to 300 ft.?
Closed-Circuit SCBA P. 87 - ✔✔This respirator replenishes consumed oxygen with oxygen from a liquid
or gaseous source and is designed to protect personnel in hazardous, toxic, or oxygen-deficient
environments?
Powered Air-Purifying Respirator (PAPR) P. 88 - ✔✔This respirator has a battery fan that pulls the air
through filtration canisters minimizing stress on the user?
Cannot be used in atmospheres where hazard concentrations are Immediately Dangerous to Life and
Health (IDLH) or in oxygen deficient atmospheres, atmosphere must be identified and below allowable
Page 1/4
Crafted for Academic Insight by KatelynWhitman. All rights reserved © 2025
