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LFB Craig > RPE and Drägaer PSS 7000 > Flashcards

RPE and Drägaer PSS 7000 Flashcards

1
Q

What is caused by heat stress

A

Deterioration in co-ordination, manipulation, visual skills and reasoning

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2
Q

What is the bodyguard 7000

A

A visual and audible monitoring and alarm system

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3
Q

How much does the Drägaer PSS 7000 weigh

A

15.5 kg

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4
Q

What is a chronic respiratory risk?

A

A risk that might produce a longer term risk to health, but not immediate

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5
Q

What are the indicators of heat cramps

A

Flushed moist skin.

Painfull cramps, especially in the legs

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6
Q

Where would you find the BA control entry tally

A

Secured to the bodyguard key

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7
Q

What are the features of the Drägaer PSS 7000 face mask

A 
A scratch resistant polycarbonate visor
5 strap adjustable harness
Neck strap
Inner mast (prevents misting)
It is dual purpose, and can be connected to a respirator
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8
Q

What is the length of the Time Of Warning

A

12 minutes

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9
Q

At what point will the pneumatic low pressure whistle operate

A

At 74 bar (+/-5 bar)

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10
Q

What information is visible on the display of the bodyguard 7000

A

The bar pressure of the cylinder, and how much time is remaining

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11
Q

What is the Drägaer PSS 7000 standard breathing duration

A

31 minutes at 50 litres per minute

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12
Q

What percentage of oxygen and carbon dioxide are inhaled

A

o2 21%

Co2 0.04%

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13
Q

What does RPE stand for

A

Respiratory Protective Equipment

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14
Q

What are heat cramps

A

The earliest indicator of heat stress. Muscular contractions caused by salt loss in perspiration

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15
Q

What is the DSU

A

A manually operated Distress Signal Unit. This is activated by pressing the yellow button in the centre of the display

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16
Q

How long will the pneumatic low pressure whistle operate for

A

10 mins

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17
Q

What is the Quick Release Coupling (QRC)

A

A connection that allows the wearer to supply or receive air in an emergency

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18
Q

What is the PSS Merlin Telemetry Module

A

A battery powered unit with an integrated radio transmitter and receiver.
It is able to send and receive audible and visual alarms with the Entry Control Board

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19
Q

On the bodyguard 7000, when would the Time Of Warnning (TOW) be activated

A

When the pressure in the cylinder falls below 84 bar

20
Q

What are the 4 ways that the human body dissapates heat

A

Radiation
Convection
Vaporisation
Evaporisation

21
Q

What affects consumption rates

A

Physical exertion
Physical fitness
Physical stress

22
Q

What is the purpose of the first stage reducer

A

To assist with the reduction of cylinder pressure from 300 bar to between 6-9 bar

23
Q

What information is on the breathing apparatus tally

A 
The brigade name
The cylinder pressure
The identification number 
The role
Name of the wearer
The Time Of entry
24
Q

What percentage of oxygen and carbon dioxide are exhaled

A

o2 16%

Co2 4%

25
Q

What type of apparatus set is the Drägaer PSS 7000

A

Self contained
Two stage
Open circuit
Positive pressure

Compressed
Air
Breathing apparatus set

26
Q

What may affect the accuracy of the bodyguard 7000

A

High intensity magnetic fields, temporarily

27
Q

What is the purpose of BA

A

To reduce the risk of respiratory problems to firefighters

28
Q

What are the features of the Drägaer PSS 7000

A

Positive pressure, first breath activated
Speech diaphragm
Additional flow button
Stable air supply with low breathing resistance

29
Q

What is an acute respiratory risk

A

A risk that would pose an immediate risk of injury or health if RPE is removed

30
Q

What does the respiratory system do

A

Allows blood to be supplied with oxygen to deliver around the body (breathing)

31
Q

What material is the Drägaer PSS 7000 made out of

A

An anti dermatitic rubber, with a double reflex seal

32
Q

What is heat stroke

A

A medical emergency which needs prompt medical attention.

sweating and partial or complete loss of consciousness

33
Q

How would you start the bodyguard 7000

A

Remove the key

34
Q

What is heat exhaustion

A

Dehydration will give rise to thirst, fatigue, nausea and mental confusion.

35
Q

Where can the first stage reducer be found

A

Mounted on the backplate

36
Q

What does the lung demand valve (LDV) do

A

It supplies air at a breathable pressure to meet the demands of the wearer

37
Q

When using the bodyguard 7000, what is the period of time with no movement before the ‘pre-alarm’ sounds

A

30 seconds. If movement is detected within a further 15 seconds, the alarm will be cancelled.

38
Q

How would you cancel the ADSU alarm on the bodyguard 7000

A

Movement will trigger its motion sensor and cancel it. The bodyguard key could also be inserted

39
Q

At 84 bar, when the ‘time of warning’ begins, for how long will the wearer be supplied with air

A

Approximately 12 mins

40
Q

What is the length of time that the low pressure warning whistle will sound for (74 +/-5 bar)

A

10 mins

41
Q

How is the Merlin telemetry module powered

A

By a rechargeable battery located in the backplate

42
Q

How many preset height settings are available in the harness

A

3

43
Q

What are the two things that can be attached to the D ring on the waist belt of a BA set

A

A personal line, and a Guideline

44
Q

What is the purpose of the inner mask in the dual purpose face mask

A

Reduce the build up of carbon dioxide

prevent fogging on the visor

45
Q

Once the low battery signal has activated, how long can a BA set be used for

A

2 hours

LFB Craig (13 decks)

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