COMPREHENSIVE EXAM 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◉ What does PPE selection depend on? Answer: The hazards present at
an incident and the probable impact
◉ Poisonous is synonymous with? Answer: Toxins
◉ Who makes the decision on what level protection to wear? Answer:
IC
◉ What are the four levels of chemical protection classified by the EPA
and NIOSH? Answer: Level A, Level B, Level C, and Level D
◉ What is a Level A ensemble? Answer: The highest level of
respiratory, skin, eye, and mucous membrane protection
◉ What is the minimum level recommended for initial site entries with
an unidentified hazard? Answer: Level A
◉ What is a Level B ensemble? Answer: The highest level of respiratory
protection, but lesser level of skin and eye protection
, ◉ What is the minimum level required for initial site entries with an
unidentified hazard? Answer: Level B
◉ What is a Level C ensemble? Answer: Same level of skin protection
as Level B, but a lower level of respiratory protection
◉ According to OSHA, what is the minimum level of respiratory
protection for an unidentified hazard? Answer: Positive-pressure SCBA
◉ What is a Level D ensemble? Answer: A work uniform that provides
no repiratory prtoection and minimal skin protection
◉ What is a closed-circuit SCBA? Answer: A rebreather, where the
wearer's exhaled air is recycled and a small container of oxygen
supplements the exhaled air
◉ When do you use a positive-pressure Supplied Air Respirators
(SAR)? Answer: It is effective when extended work times are required
for entry, decontamination, or clean-up operations
◉ Limitations on a SAR include. Answer: Hose limit of 300 ft
◉ Pressure in the air line of a SARS should not exceed. Answer: 125 psi