FREE Firefighter SCBA Use & Maintenance Questions and Answers

Question 1

When donning an SCBA, which of the following is the most critical step to perform immediately after placing the facepiece on your head and before entering a hazardous environment?

Accepted Answer

Perform a negative pressure seal test.

Answer

Check the air cylinder pressure gauge.

Answer

Ensure the low-air alarm is functioning.

Answer

Adjust shoulder straps for comfort.

Question 2

A firefighter is conducting a routine inspection of an SCBA. Which of the following conditions found on the air cylinder would necessitate immediate removal from service and professional inspection?

Accepted Answer

Deep gouges or abrasions on the cylinder's composite wrap.

Answer

Minor scuff marks on the cylinder's paint.

Answer

A recent hydrostatic test date sticker.

Answer

A slightly loose cylinder valve handwheel.

Question 3

During SCBA maintenance, after use in a contaminated environment, what is the primary method for cleaning and disinfecting the facepiece?

Accepted Answer

Wash with mild soap and water, then disinfect with an approved solution.

Answer

Wipe with a dry cloth only.

Answer

Rinse with high-pressure water.

Answer

Submerge in boiling water for sterilization.

Question 4

Which component of the SCBA system is responsible for reducing the high-pressure air from the cylinder to a breathable pressure before it reaches the regulator?

Accepted Answer

The first-stage pressure reducer.

Answer

The facepiece.

Answer

The low-air alarm.

Answer

The universal air connection (UAC).

Question 5

When should the SCBA air cylinder be refilled or replaced?

Accepted Answer

When the pressure gauge reads 80% or less of its full capacity.

Answer

After every 5 uses, regardless of pressure.

Answer

When the cylinder pressure drops below 500 psi.

Answer

Only when the low-air alarm activates.

Question 6

A firefighter is performing a daily SCBA inspection. Which of the following is a critical operational check for the regulator?

Accepted Answer

Checking for audible air leaks and proper airflow upon activation.

Answer

Verifying the color of the regulator housing.

Answer

Confirming the manufacturing date of the regulator.

Answer

Measuring the weight of the regulator for consistency.