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ERJ Systems > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

When should you test the fire detection system?

A

FFOD in a new airplane

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2
Q

What areas have fire protection?

A 
Engine 1
Engine 2
APU
Forward Cargo
Aft Cargo
Lavatories
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3
Q

How long after an APU fire is detected will the shutoff valve be automatically closed?

A

10 seconds

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4
Q

What happens when the fire extinguisher handle is pulled?

A

Fuel shutoff valve is close
Hydraulic shutoff valve is closed
Bleed shutoff valve is closed

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5
Q

What is the procedure for annunciated forward cargo fire?

A

Press forward cargo fire extinguisher button once to discharge Halon

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6
Q

What happens when the fire detection handles are pulled?

A 
Turns off:
Bleed air SOV
Fuel SOV
Hydraulic SOV
Arms Fire Extinguishing bottles
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7
Q

What does the APU EMER STOP button do?

A

Closes FUEL SOV

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8
Q

When will the APU automatically shut down in flight?

A

UFO

Underspeed
FADEC Fult
Overspeed

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9
Q

When will the APU shutdown automatically on the ground?

A

UFO SHELF

Underspeed
FADEC Fualt
Overspeed

Sensor Fail
High Oil Temp
EGT Over Temp
Low Oil Pressure
Fire
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10
Q

If a fire is detected in the APU and is automatically shut down what will happen after 60 seconds?

A

The Fire Extinguisher light turns on

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11
Q

How many smoke detectors do we have in the forward cabin?

A

3

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12
Q

How many smoke detectors do we have in the aft cargo?

A

2

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13
Q

How many fire bottles do we have for the cargo compartments?

A

2

High rate
Low rate

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14
Q

If there is an annunciated cargo fire in flight, how many times do you have to press the fire extinguisher button to discharge HIGH and LOW bottles?

A

Once

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15
Q

If there is an annunciated cargo on the ground how many times do you need to press the fire extinguisher button?

A

Once for high

Twice for low

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16
Q

How many times do you need to press the fire extinguisher button for an un annunciated fire on the ground?

A

Once to arm
Twice for high
Thrice for low

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17
Q

How do know if there is a fire in the lav?

A

EICAS message

18
Q

When do we have to do the fire test?

A

FFOD in that airplane

19
Q

What do we have to do if the plane is dark prior to test?

A

Wait 30 seconds to see if there are any fire protection fail messages on EICAS

20
Q

What indications should we see when the fire test is done?

A

6 lights 5 EICAS 2 warning 2 fire 2 aural

21
Q

What does pulling the fire handles do?

A

Closes 3 SOV

Fuel, Hydraulic, and Bleed Air

22
Q

What does turning the handle do?

A

Each direction discharges a bottle

23
Q

Can you use 2 bottles on one engine?

A

Yes

24
Q

Does the APU have a dedicated fire protection system?

A

Yes

25
Q

When will the APU automatically shut down in flight?

A

UFO

Underspeed, FADEC fault, Overspeed

26
Q

When will the APU automatically shut down on the ground?

A

SHELF

Sensor fail, high oil temp, EGT over temp, low oil pressure, fire

27
Q

Will the APU automatically shut down in flight for an APU fire?

A

No, in the event you are using the APU for a specific reason

28
Q

Will the APU automatically shutdown for a fire on the ground?

A

Yes

29
Q

How long does it take for APU to shutoff automatically on the ground?

A

10 seconds

30
Q

What happens if the APU is running and the fire test is held for 11 seconds?

A

The APU will be shut down automatically

31
Q

When does the APU fire light turn on?

A

60 seconds after the APU is automatically shut down

32
Q

What does pressing the APU fire switch do?

A

Discharges APU halon bottle

33
Q

When will APU emergency stop be illuminated?

A

APU Emergency stop will show striped at 10 seconds

34
Q

What kind of cargo bottles do we have?

A

Hi and low halon bottles

35
Q

How long does the low rate last?

A

75 minutes for a 60 min diversion

36
Q

How many time do you have to press the fire extinguish button for a non annunciated
cargo fire on the ground?

A

3 times, once to arm, twice to discharge the high bottle, thrice to discharge the lo bottle

37
Q

How many times do you have to press the fire extinguish button for an annunciated fire in
flight?

A

Once, the fire arms the system and one press discharges both bottles

38
Q

What is different about the forward cargo bay compared to the aft cargo bay?

A

Recirculating fans, ventilation, over flow valve, and 3 smoke detectors
Animals / dry ice in FWD but not at the same time

39
Q

What areas of the aircraft have fire protection?

A

Engine, APU, Cargo, Lav

40
Q

If there is no power applied to aircraft, can we discharge engine fire?

A

Yes, the fire protection is on the DC hot bus

ERJ Systems (29 decks)

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