NavyAnswer Key

Nko Navy

24 community-sourced questions and answers. Free — no login.

Community-sourced. Answers may be wrong or out of date. Always verify with your official training portal before submitting. Not affiliated with any branch, agency, or vendor. Details.
QUESTION 1

What must be done if damage is detected on an air cylinder

ANSWER

Remove it from service and replace it with a new cylinder

QUESTION 2

What chemical is mixed with water to clean the SCBA

ANSWER

Wescodyne-G

QUESTION 3

The bell alarm is only available on SCBA configuration(s) __________.

ANSWER

2-3

QUESTION 4

Which component provides a visual monitor of the remaining air supply and battery power for the AV 3000® facepiece?

ANSWER

HUD

QUESTION 5

What must be done with any SCBA that does not satisfactorily pass inspection?

ANSWER

Remove it from service and tag it for repair

QUESTION 6

For components manufactured before February of 2000, what manufacturer information can be determined from 69-60-0416

ANSWER

4000

QUESTION 7

Before use, the SCBA cylinder must be charged to at least _____ PSIG.

ANSWER

Fully extended

QUESTION 8

Prior to donning the head harness, all straps must be __________.

ANSWER

Continue breathing

QUESTION 9

Unlike the quick-charge method, cylinder replacement does not allow the user to do what

ANSWER

4500

QUESTION 10

What is the working pressure of the SCBA Scott® Air-Pak® 4.5?

ANSWER

Part number

QUESTION 11

The pressure reducer has a label showing both a serial number and a __________.

ANSWER

Before and after each use

QUESTION 12

When is an "Operational Inspection" required

ANSWER

When it is certain the SCBA user is out of the hazardous area

QUESTION 13

When may the facepiece be safely removed

ANSWER

On the side of the regulator body

QUESTION 14

Where is the serial number/manufacturer number located on the mask-mounted regulator?

ANSWER

After each use

QUESTION 15

When should SCBA be cleaned

ANSWER

charge it or replace it

QUESTION 16

What must be done with an air cylinder that does not indicate a minimum 4000 PSIG prior to use

ANSWER

Burt Disc

QUESTION 17

Which component will relieve cylinder pressure at 7200 PSIG

ANSWER

15 seconds

QUESTION 18

What is the minimum amount of time that the facepiece must be agitated in the sanitizing solution?

ANSWER

hips

QUESTION 19

Where should the majority of the SCBA's weight rest on your body?

ANSWER

Leave the hazardous area at once

QUESTION 20

When the cylinder air supply reaches 25% of its rated service capacity and the Vibralert®, bell alarm, or HUD activate, what is the recommended action?

ANSWER

Two

QUESTION 21

When cleaning the facepiece and mask-mounted regulator, how many tablespoons of Wescodyne-G are required per 1½ gallons of warm water to create an effective sanitizing solution?

ANSWER

air saver switch

QUESTION 22

The mask-mounted regulator is equipped with which of the following components

ANSWER

Rotate the purge knob fully counterclockwise and leave the space

QUESTION 23

If the user is not receiving enough air in a firefighting situation through the mask-mounted regulator, what can be done to increase the flow of air into the nosecup assembly?

ANSWER

The vibralert and bell alarm are activated

QUESTION 24

What happens if the primary air path fails in Configuration 1, 2, or 3

ANSWER

It is used to refill the cylinder without removing the SCBA from the user

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