Intro Flashcards

1
Q

Composition of atmospheric air?

A

Nitrogen-79%
Oxygen-21%
Co2 - traces

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2
Q

How much oxygen do we absorb each breath?

A

4%

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3
Q

Factors that increase heat related conditions?

A
Metabolic rate
Environment
Clothing
Fitness 
Race
Sex
Age
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4
Q

How much rest and water should be consumed after temperatures below 35C?

A

30 mins/500ml

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5
Q

How much rest and water should be consumed after hot and humid temperatures (>35C)?

A

60 mins rest/1000ml

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6
Q

High pressure hose working pressure?

A

300

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7
Q

Medium pressure hose pressure?

A

18bar

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8
Q

What is BECALM and What is it for?

A

It’s for what the BAC records.

Batterylife,Electronics,Cylindercontents,Airflow,Leakages,Motionsensor.

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9
Q

Motion sensor times?

A

Pre alarm-30 secs

Full alarm- further 15 secs (45 secs)

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10
Q

How many litres of air at 300 bar?

A

1800l

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11
Q

Cylinder and valve weight?

A

4.7kg

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12
Q

Air cylinder water capacity?

A

6.7

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13
Q

Retractable personal line lengths?

A

6m-1.25/4.75

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14
Q

Why is carbon monoxide bad?

A

Combines with Haemoglobin instead of oxygen.

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15
Q

When is the battery alert?

A

2hours before dying

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16
Q

When does mechanical whistle sound?

A

65Bar

17
Q

Cylinder duration?

A

35 mins
10 min safety margin.
45 mins total

18
Q

How many turns to open cylinder valve?

A

3.5

19
Q

Personal line diameter?

A

4mm