SCBA Manual Chapter 2 pp 13-22 - Sheet1 Flashcards
From SCBA:
What side of the SCBA backframe is the pressure reducer assembly located?
Left
From SCBA:
The redundant dual path reducing system, automatic transfer valve and over pressure relief valve are all components of what?
Pressure Reducer Assembly
From SCBA:
After air leaves the SCBA supply cylinder through the cylinder valve, it then travels into?
High pressure hose
From SCBA:
Air from the SCBA travels through the high pressure hose and then enters?
Pressure Reducing Regulator
From SCBA:
Air enters the pressure reducing regulator at what PSI?
Existing Cylinder Pressure
From SCBA:
The primary reducing circuit reduces the air pressure to what PSI?
100psi
From SCBA:
After the air pressure is reduced by the primary reducing circuit, air then travels into ___________ ____________ ____________ and then into ___________ __________ __________?
Low Pressure Hose and then into Mask Mounted Regulator
From SCBA:
When cylinder air pressure falls between ______ and ______psi a transfer valve opens allowing the secondary pressure reducing circuit to function
1000 & 1200
From SCBA:
When the primary pressure reducing circuit fails in the _________ position, a transfer valve opens allowing the secondary pressure reducing circuit to function.
Closed
From SCBA:
The secondary pressure reducing circuit reduces cylinder air pressure going to mask-mounted regulator to _______psi.
150psi
From SCBA:
The extra 50psi that’s supplied by the secondary pressure reducing circuit is used to activate what?
Vibralert Alarm
From SCBA:
The ________ _________ is an audible & tactile end of service life indicator.
Vibralert Alarm
From SCBA:
The outlet manifold of the pressure reducer assembly is the attachment point for the _______ pressure hose.
Low
From SCBA:
The outlet manifold of pressure reducer assembly is the attachment point for the low pressure hose and contains a resettable over pressure relief valve set at ______psi.
225psi
From SCBA:
The over pressure relief valve vents excess pressure to the ___________ to protect the low pressure hose and breathing regulator from pressure over 225psi should the primary reducing circuit fail in the open position.
Atmosphere
From SCBA:
When the relief valve on the outlet manifold opens, the air pressure supplied to the low pressure hose and breathing regulaotr will be between _______-_______psi.
185-225psi
From SCBA:
The Vibralert alarm will activate when less than __________% of the full pressure remains in the air supply cylinder.
0.25
From SCBA:
In the event the primary reducing valve fails in the ________ position and the secondary reducing circuit opens, air at over 225psi to enter the outlet manifold, the relief valve on the outlet manifold will open.
Open
From SCBA:
The air saver switch, spray bar and spring clip are a few of the compnents that make up the?
E-Z Flo Breathing Regulator
From SCBA:
The _________ __________ ___________reduces the air pressure supplied by the pressure reducer assembly before air enters the face piece.
Mask-mounted Breathing Regulator
From SCBA:
With proper seal, the Mask-mounted Breathing Regulator produces a pressure of approximately ______ to ______psi above atmospheric pressure inside the facepiece.
.036 to .054psi
From SCBA:
When the user breathes out, the integral exhalation valve vents the exhaled air, while maintaining _________ __________ inside the properly fitted facepiece.
Positive Pressure
From SCBA:
Inhaling sharply into your mask, with the cylinder valve on, will release the _________ _________ ___________ and allow air to flow.
Air Saver Switch
From SCBA:
The component of the mask that helps keep the lens free of condensation is called the what?
Spray Bar
From SCBA:
The Spray Bar is comprised of _________ holes and is located in the upper part of the regulator assembly.
Nine (9)
From SCBA:
The ______ _________ is located on the right side of the regulator assembly and is used to secure the facepiece to the regulator.
Spring Clip
From SCBA:
When opening the purge valve, air is allowed to enter the facepiece through the _______ _________.
Spray Bar
From SCBA:
When the purge valve is in the off position, the indicator knob shall be pointed in what position?
Twelve-O’clock
From SCBA:
Which component of the facepiece and mask-mounted breathing regulator may be used momentarily to de-fog the mask?
Purge Valve
From SCBA:
Leaving the purge valve open for one minute, how many cubic feet of air will be consumed?
4.4 Cubic feet
From SCBA:
Leaving the purge valve open for one minute, how many liters of air will be consumed?
125 Liters
From SCBA:
True or False - The Vibralert Alarm will activate when the primary reducing valve has failed open and air at more than 225psi has entered the outlet manifold?
TRUE
From SCBA:
When the primary reducing circuit has failed and the secondary pressure reducing circuit is now in operation, the SCBA wearer will be notified by what means?
The Vibralert Alarm
From SCBA:
This component provides a visual monitor of the air supply in the cylinder and valve assembly.
Heads-Up Display
From SCBA:
How many lights are used on the SCBA’s heads-up display?
Five (5)
From SCBA:
A red light, found to the far right of the heads-up display indicates what?
Low Battery
From SCBA:
How many rectangular lights are used on the SCBA’s heads-up display?
Four (4)
From SCBA:
When air-pak is turned on, the heads-up display will initialize and illuminate all five (5) lights for how many seconds?
20 Seconds
From SCBA:
Two green lights glowing near the center of the heads-up display indicate what level of air remaining in SCBA cylinder?
Full SCBA Cylinder
From SCBA:
A single green light glowing on the heads-up display indicates what level of air remaining in SCBA cylinder?
Three-Quarters
From SCBA:
A yellow light that is flashing slowly at once a second indicates what level of air remaining in SCBA cylinder?
One-Half
From SCBA:
A red light flashing at ten (10) times per second on the far left of the heads-up display indicates what level of air remaining?
One-Quarter
From SCBA:
The control console with remote pressure gauge assembly is located on the ________ shoulder strap of the Scott Air-Pak Fifty.
Right
From SCBA:
A _________ sensor is installed in the Control Console with Remote Pressure Gauge Assembly to detect ambient light conditions to either dim or brighten the HUD lights.
Photodiode
From SCBA:
This is used to monitor remaining air supply and control the functions of the Pak-Alert SE Distress Alarm?
Control Console with Remote Pressure Gauge Assembly
From SCBA:
As required by NFPA _______, the Control Console with Remote Pressure Gauge Assembly also must be equipped with a data logging feature.
NFPA 1982
From SCBA:
The data logging feature of the Control Console with Remote Pressure Gauge Assembly records the date and time of the most recent __________ events.
Two Thousand
From SCBA:
The data logging feature of the Control Console with Remote Pressure Gauge Assembly maintains a running log of _______ data events, which are?
Seven Data Events, which are Start-up, Sensing to pre-alarm, Pre-alarm to full-alarm, Manual reset, Manual alarm, Low Battery, Sensing to Off
From SCBA:
To avoid radio frequency interference members shall keep antennas of hand-held radios at least _______ inches away from the Control Console with Remote Pressure Gauge assembly.
Six (6)
From SCBA:
________ __________ __________ may cause the Control Console with Pressure Gauge assembly to malfunction and result in a non-working distress alarm which may not sound if the user stops moving.
Radio Frequency Interference
From SCBA:
What does PASS stand for?
Personal Alert Safety System
From SCBA:
If no motion is sensed for _____ seconds, the Pak-Alert SE will signal pre-alarm condition
20 Seconds
From SCBA:
If no motion is sensed for _____ seconds, the Pak-Alert SE will signal full-alarm condition
30 Seconds
From SCBA:
The Pak-Alert SE can be placed in monitoring mode either automatically by turning on the SCBA, or manually by?
By pressing the manual alarm button and then resetting the alarm by pressing the reset button twice
From SCBA:
With fresh alkaline batteries, the Pak-Alert SE will stay in monitoring mode for how many hours?
1000 Hours
From SCBA:
With fresh alkaline batteries, the Pak-Alert SE will stay in full alarm for how many hours?
8 Hours
From SCBA:
The Scott Air-Pak Fifty is certified for use with the _____________ facepieces?
AV 2000
From SCBA:
True or False - A small AV 2000 facepieces polycarbonate lens is the same as the polycarbonate lens on an extra-large AV 2000 facepiece?
TRUE
From SCBA:
The department issues each member one of three sizes of an AV 2000 facepiece, what are they?
Small, Large, Extra-Large
From SCBA:
Differences in sizes of the AV 2000 facepieces are determined how?
By the Chevron Seal
From SCBA:
How many speaking diaphragms are built into the AV-2000 facepiece?
Two (2)
From SCBA:
The head harness is attached to ____ points on the AV-2000 facepiece and is made of _________.
Four (4), Kevlar
From SCBA:
To transmit via radio when wearing the AV-2000, place the radio microphone about _____ away from and in line with a speaking diaphragm, and speak normally.
1/2 Inch
From SCBA:
Damaged facepieces must be tagged with the ________ ________ _________ _________ and taken to the Mask Room for repair/replacement.
SCBA Repair Request Form
From SCBA:
True or False - The screws used to attach the head harness to the lens of an AV-2000 facepiece are held in place by a single-use thread locking compound.
TRUE
From SCBA:
True or False - Members are responsible for making repairs to damaged facepieces, or facepieces that have loose or missing hardware?
FALSE
From SCBA:
IDLH stands for what?
Immediately Dangerous to life and Health
From SCBA:
Pak-Tracker Firefighter Locator System consists of two parts, what are they?
Pak-Tracker Locator Transmitter & the Hand-Held Receiver (HHR)
From SCBA:
The sensor module and Pak-Tracker locator trnsmitter is located at the __________ of the backframe, between the _________ _________ and the backframe.
Bottom, Cylinder Valve
From SCBA:
How many, and what are the size of the batteries used in the Sensor Module Assembly with Pak-Tracker Locator Transmitter?
Six (6), “AA” Batteries
From SCBA:
Flashing green lights on the Sensor Module assembly indicate what?
Normal Operation
From SCBA:
An orange light flashing once per second on the Sensor Module assembly indicates what?
Low Battery
From SCBA:
An orange light flashing (alternately) on the Sensor Module assembly indicates what?
Low Air 1/4 Cylinder
From SCBA:
Alternately flashing red lights on the Sensor Module assembly indicates what?
PASS Pre-Alarm
From SCBA:
Simultaneously flashing red lights on the Sensor Module assembly indicates what?
PASS Full-Alarm
From SCBA:
True or False - The Sensor Module Assembly has actual orange lights?
FALSE
