1. No category

Merlin Telemetry Board
and
Dräger PSS 7000
Q&A
Question - 1
What is the function of the first stage reducer on
the PSS 7000t BA set ?
A - It reduces the air from cylinder pressure to between 6 – 9 bars.
B - It reduces the air from cylinder pressure to just above atmospheric pressure.
C - It reduces the air from cylinder pressure to between 11 – 16 bars.
D - It reduces the air from between 6 – 9 bars to just above atmospheric pressure.
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Question - 2
Following a full charge, how long will the battery last in
the Dräger Bodyguard 7000t unit?
A - Approximately 1 hour..
B - Approximately 8 hours.
C - 100 hours.
D - 5 – 6 hours.
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Question - 3
What is the lifespan of a Dräger 9 litre, 300 bar
compressed air cylinder ?
A - 5 years.
B - 10 years.
C - 15 years.
D - 20 years.
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Question - 4
On the Dräger Merlin Telemetry Entry Control Board,
what does the following LED indicate ?
A - Emergency Voluntary Withdrawal has been actuated.
B - Automatic Distress Signal Unit has been actuated.
C - Evacuation signal has been actuated.
D - Manual Distress Signal Unit has been actuated.
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Question - 5
On the Dräger Merlin Telemetry Entry Control Board,
what does the following LED indicate ?
A – Manual Distress Signal Unit has been actuated.
B - Emergency Voluntary Withdrawal has been actuated.
C - Telemetry link has been lost.
D - Automatic Distress Signal Unit has been actuated.
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Question - 6
How often does the telemetry link update/refresh
between the Bodyguard 7000t and the Merlin
Telemetry Board ?
A - Every 20 seconds.
B - Every second.
C - Whenever there is a change in air consumption/breathing rate.
D - Every minute.
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Question - 7
When does the pneumatic low pressure warning
whistle sound on the Dräger PSS 7000t BA set ?
A-
Between 70 and 60 bars.
B-
Between 45 - 40 bar.
C-
Between 60 +/- 5 bars.
D-
Between 6 – 9 bars.
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Question - 8
What would be the outcome of pressing this
button on the Merlin Telemetry Board ?
A - All BA wearers committed from that ECB will receive an evacuation signal.
B - All BA wearers in the area will receive an evacuation signal.
C - It will evacuate an individual wearer.
D - It will reset the clock.
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Question - 9
What do these flashing LEDs signify ?
A-
Signal lost between EMU & Telemetry Board.
B-
EMU in operation.
C-
EMU in operation & linked to Telemetry Board.
D-
Distress signal activated.
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Question - 10
What do the RED flashing LEDs signify ?
A-
Signal lost between EMU & Telemetry Board.
B-
EMU in operation.
C-
EMU in operation & linked to Telemetry Board.
D-
Units Distress signal activated.
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Question - 11
What is the minimum cylinder content required
for a Re-Entry using a 9litre, 300 bar cylinder ?
A - 160 bars.
B - 150 bars.
C - 170 bars.
D - 100 bars.
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Question - 12
What does this figure represent on the Dräger
Bodyguard 7000t display screen ?
A - Time to whistle.
B - Time of whistle.
C - Elapsed time of BA wear.
D - Remaining cylinder contents.
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Question - 13
What does this figure represent on the Dräger
Bodyguard 7000t display screen ?
A - Time to whistle.
B - Time of whistle.
C - Elapsed time of BA wear.
D - Remaining cylinder contents.
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Question - 14
On the Dräger Bodyguard 7000t, what is the
meaning of the following icon on the display ?
A - The evacuation signal has been actuated by the ECO.
B - The Emergency Voluntary Withdrawal has been actuated by the BA wearer.
C -The Automatic Distress Signal has been actuated.
D - The telemetry link has been lost between the Bodyguard and the Merlin ECB.
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Question - 15
On the Dräger Merlin Telemetry Entry Control
Board, what does this flashing LED indicate ?
A - Telemetry board is shutting down.
B - Automatic Distress Signal Unit has been actuated.
C - Evacuation signal has been actuated for an individual wearer.
D - Emergency Voluntary Evacuation has been actuated.
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Question - 16
What period of time does the Dräger Merlin
Telemetry Entry Control Board log past
activities for ?
A - The last 100 hours.
B - The last 5 – 6 hours.
C - 10 hours.
D - 8 hours.
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Question - 17
Which of the following is the correct shutting
down procedure ?
A-B-C
A - Airway , Breathing , Circulation.
B - Air supply , Bodyguard , Comms.
C - Air supply , Battery , Cylinder.
D - Air supply , Battery , Comms.
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Question - 18
After what time period will the Pre- Alarm
sound if the motion sensor detects
No movement ?
A - 45 - 40 seconds
B - 10 seconds
C - 30 seconds
D-
8 -10 seconds
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Question - 19
After the Pre- Alarm has been activated how long
will it be before
FULL ALARM
is activated if no further movement is detected ?
A-
30 seconds
B-
10 seconds
C-
5 -10 seconds
D-
45 -40 seconds
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