MK1 SWE 228 CERTIFICATION EVALUATION GUIDE 2026 FULL SOLUTION

MK1 SWE 228 CERTIFICATION EVALUATION
GUIDE 2026 FULL SOLUTION

◉ Repair party leadership permission is required to start using a
SCBA, if the air cylinder pressure is below what PSIG? Answer: 4,000


◉ What PSIG should a SCBA tank have? How long does it last?
Answer: 4,500 PSIG for 45 minutes


◉ SCBA heads up display segment
lights for remaining air percentages Answer: 1. (4) steady green
LED's 20 sec = 75 %
2. (3) steady green LED's 20 sec = 74 - 50%
3. (2) flashing yellow LED's 30 sec= 49 - 36%
4. (1) continuously flashing red LED = 35 - 0 %


◉ SCBA low pressure warning device alarms when there is
approximately what percentage of air remaining? Answer: 33 - 37%


◉ When an SCBA mask fails to send air, you should use what valve to
get air back into the mask? Answer: Red Bypass Valve (provides 125
liters of air per minute to face piece)

, ◉ What are the (3) priorities of a CG-22? Answer: 1. Routine
2. Non-Routine
3. Urgent


◉ When submitting a CG-22, if life is at risk or safety issues are
involved, what priority shall you select? Answer: Urgent- Safety
Related


◉ What does TCTO stand for? Answer: Time Compliance Technical
Order


◉ What does CAGE stand for? Answer: Commercial and Government
Entity


◉ What does NIIN stand for and how many digits? Answer: National
Item Identification Number
(9) Digits
First 2 digits are country (I.e. 00/001 is USA)


◉ NSN stands for and how many digits? Answer: National Stock
Number
(13) Digits
Includes both FSC (Federal Supply Classification) and NIIN