TB SCBA Scott 4.5 Positive Pressure SCBA

Question 0

Hydrostatic testing is doneevery___years.

Answer 0

5 years. If the test date shows greater than 5 years, the cylinder must be removed from service, bled down, tagged and returned to MSU. It will be marked w a #. 102= tested in january of 2002. needs a retest in 2007. 3.2.4

Question 1

The service life of an air cylinder is___years.

Answer 1

15 years. If a manufacture date is greater than 15 years, the cylinder must be removed from service, bled down, tagged, and returned to MSU.
3.2.3

Question 2

SOC carried 10 minute escape bottles. How often do they need to be retested?

Answer 2

Every 3 years

3.2.4

Question 3

All 4.5 cylinders are tested to___PSI.

Answer 3

4500 PSI

3.2.6

Question 4

Vibralert and HUD actuate when approximately__% of full cylinder pressure remains in the cylinder and valve assembly.

Answer 4

25%

3.2.8

Question 5

T/F

It is the individuals responsibility to know their working and exit time of the SCBA.

Answer 5

TRUE

3.2.8

Question 6

Inspect all spare cylinders___ on ___ for full pressure.

Answer 6

Weekly on Monday. Stored cylinders found below full shall be tagged and returned to the MSU for further inspection. 3.2.12

Question 7

Can SCBA cylinders with a blue top and / or a polymer protective sleeve be used for FF purposes?

Answer 7

NO These are training cylinders.

3.2.15

Question 8

When replacing the nylon “O” Ring what tools are needed?

Answer 8

1/8” Allen wrench & a 7/16” open end wrench.

3.4.2

Question 9

T/F

The UAC is for Emergency Use Only.

Answer 9

TRUE

3.5.1

Question 10

The UAC MUST have it’s protective dust cover in place. If a SCBA is found without a UAC dust cover what shall be done?

Answer 10

SCBA placed OOS w RT2 and sent to MSU.

3.5.2

Question 11

The PRA normally drops the high pressure air to __PSI before entering the regulators LP hose.

Answer 11

100 PSI

3.6.1

Question 12

The regulator then controls the pressure within the face piece to»>

Answer 12

…to slightly above atmospheric pressure.

3.6.1

Question 13

A malfunction of the PRA’s primary system will automatically direct breathing air into a secondary system. When this occurs the operating pressure will only be reduced to___PSI.

Answer 13

150PSI and cause the vibralert alarm to activate.

3.6.2

Question 14

Failure of both primary and secondary systems in the open position will activate a relief valve in the PRA, which will rapidly discharge all pressure in excess of___PSI

Answer 14

185 PSI into the atmosphere.

3.6.3

Question 15

When this occurs the cylinder valve should be___.

Answer 15

Partially closed.

3.6.3

Question 16

If the manual shut off switch is not pressed, a 45 minute bottle of air can be depleted in__Minutes

Answer 16

approximately 4 minutes.

3.8.2.A

Question 17

The spray bar has___small holes.

Answer 17

9

3.8.8

Question 18

The HUD consists of___rectangle lights to represent the cylinder pressure at_,__,___&___.

Answer 18

Four lights
Full
3/4,s full
1/2
1/4

3.8.9

Question 19

A fifth round red light indicates____.

Answer 19

Low Battery

3.8.9

Question 20

When cylinder is turned on, the HUD will initialize and illuminate all___ light for ___seconds.

Answer 20

5 light for 20 seconds.

3.8.9A

Question 21

T/F
Operations of all five lights must be verified every time SCBA use has begun and with every regular operation inspection.

Answer 21

TRUE

3.8.9A

Question 22

FULL Cylinder-indicated by…

Answer 22

…the 2 green lights glowing near the center off the display.
3.8.9B

Question 23

Three quarters cylinder- indicated by…

Answer 23

…a single Green light glowing.

3.8.9B

Question 24

ONE HALF CYLINDER-indicated by the...

Answer 24

...YELLOW light flashing slowly at once a second. | 3.8.9 B 3

Question 25

ONE QUARTER cylinder-indicated by...

Answer 25

...the RED light at the far left FLASHING RAPIDLY. Vibralert should be going off too.Its time to leave. 3.8.9 B 4

Question 26

When batteries require changing the round low battery indicator at the far right of the display will light for___seconds and then begin to flash slowly at__ a second.

Answer 26

20 seconds 1 a second 3.8.9C

Question 27

The facpieces are color coded: Small is: Comfort Seal: XL:

Answer 27

Small=Green Comfort Seal=Black XL=Red 3.9.1

Question 28

On the remote gauge is the control console. What color is the Manual Alarm Button? What color is the Reset Button?

Answer 28

Reset=YELLOW | Manual Alarm=RED

Question 29

T/f The vent holes on thee back of the Control Console should never be plugged or sealed in anyway, regardless of a suspected airleak.

Answer 29

TRUE | 3.10.3

Question 30

If the sensor module does not sense motion in ___seconds the Pak-Alert SE7 will signal a pre-alarm condition.

Answer 30

20 seonds | 3.10.5

Question 31

If here is still no motion of the SCBA for the next___seconds, the full alarm will sound.

Answer 31

12 seconds | 3.10.5 A

Question 32

Install ___new__ batteries of the same brand. | DO NOT MIX BRANDS

Answer 32

6 new AA Batteries.

Question 33

The proper solution for cleaning the SCBA facepiece is a ___;__solutiuon.

Answer 33

1: 100 a hypochlorite solution 1/4 cup of chlorine bleach to one gallon of water 8. 2.1

Question 34

Face piece cleaning should be done by soaking the face piece in the solution for no more than___minutes

Answer 34

5 minutes.then rinse under cold running water | 8.5.3

Question 35

T/F | The face piece shall be dried, drying shall not be done in direct sunlight or in high heat.

Answer 35

TRUE | 8.5.8

Question 36

Regulator Disinfecting Procedure supplies needed.___% Isopropyl Alcohol in a spray bottle & drinking water.

Answer 36

70% 8.6.1

Question 37

Depress the manual shut off, close the purge valve by turning fully clockwise and spray a minimum of___full pumps of 70%Isopropyl Alcohol into the regulator opening.

Answer 37

Minimum of 6 FULL pumps. | 8.6.5

Question 38

Make sure to wet the immediate area around the opening. Swirl to completely cover internal components. Turn regulator opening face down and shake excess liquid out.Allow___minutees of contact time to disinfect prior to rinsing.

Answer 38

10 minutes | 8.6.5

Question 39

T/F | Alcohol and water should not be directed into the spray bar ports.

Answer 39

TRUE | 8.6.5

Question 40

The inside of he regulator must be____ after applying the 70% alcohol.

Answer 40

thoroughly rinsed | 8.6.6

Question 41

A SCBA Status report is tot be competed annually by each Unit Commander. The report is due___.

Answer 41

November 1 | 9.2.1