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17 Cards in this Set
- Front
- Back
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What percentage of air is oxygen during inhalation? |
21% |
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Heat exhaustion is an indicator of heat stress list another two. |
Heat strokes Heat cramps |
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To prevent dehydration all BA wearers should drink at least ______ a litre of water within ____ minutes of an ambient wear. Fill in the blanks. |
To prevent dehydration all BA wearers should drink at least 1/2 a litre of water within 30 minutes of an ambient wear. |
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When assessing working duration, what six aspects of an incident should team leaders and wearers take into account? |
•Air taken to reach the scene of operation •Work rate at the scene of operations •Conditions within the incident that reduce working duration and cause physical exhaustion •Possibility that conditions on the edit route may have deteriorated. •Information received from entry control and other teams. •The consumption rates on the way out will be higher due to the natural effects of physical exception or increased exception, for example exit form a basement |
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Respirators can be used in oxygen deficient or toxic atmosphere. True or False? |
False |
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What two purposes does the inner mask serve on a BA face mask? |
•Designed to manage the buildup of CO2 in the face mask. •Protects personnel from the effects of exposure to airborne particulates |
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One of the duties of a BA wearer at an incident is to find and start in safe air. List the other 4? |
•Take an ‘A’ test when taking over a set or after a cylinder change. •Ensure they have at least 240 bars reading on the Bodyguard when they report to the Entry control Operative. •Establish and confirm a call sign with ECO. •Hand their BA tally to the ECO on starting up |
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In the case of the appliance pump and an open circuit water relay on ground level using 70mm hose, intermediate pumps can be up to_____ lengths apart and ______ lengths on a gradient. Fill in the blanks. |
In the case of the appliance pump and an open circuit water relay on ground level using 70mm hose, intermediate pumps can be up to 8 lengths apart and 6 lengths on a gradient. |
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Exceptionally, there may be operational circumstances where one firefighter wearing BA would suffice. I’m what circumstances can this procedure be applied? |
In open air In line sight from ECO |
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The SDBA cylinder had a capacity of 8 Litres (water capacity) and contains_____ litres of compressed air, when fully charged to _____ bar Fill in the blanks. |
The SDBA cylinder had a capacity of 8 Litres (water capacity) and contains 2160 litres of compressed air, when fully charged to 300 bar |
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What two types of extinguishers can be used on fires involving electrical apparatus? |
•CO2 •Dry Powder |
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List 4 ways low expansion foam is normally applied |
•Gentle application •Raindown •Rolling on •Of the wall |
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List 4 ways low expansion foam is normally applied? |
•Gentle application •Raindown •Rolling on •Of the wall |
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When using the RB101 branch to produce foam what pressure should the branch operate at and what should be the flow setting? |
6 bar at 400 Litres per minute |
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List 3 factors that affect the distance between the pumps in water relay? |
•the flow required •dimeter of hose lines between pumps •contours of the relay route |
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List 3 factors that affect the distance between the pumps in water relay? |
•the flow required •dimeter of hose lines between pumps •contours of the relay route |
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A breathing apparatus set must not exceed 28 days without being worn for at least ______ minutes under _____ conditions then a full ‘b’ test mush be carried out. Fill in the blanks |
15 mins Controlled conditions |
