Fire Protection Flashcards

1
Q

If 1 loop is fault and the other triggers an alarm, can we still have an output of alarm,
T or F?

A

TRUE

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2
Q

If loop A is healthy and didn’t triggered an alarm but the Loop B triggers an alarm, what does it mean?

A

There’s a Fault

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3
Q

What kind of Fire detection system is used
in Engine and APU?

A

Continuous Dual Loops

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4
Q

How does the Pneumatic Pressure Loop operate?

A

When Temperature increase, the pressure will also increase. There’s a Pressure Switch in the responder which is in
the thicker end of the loop. The closed switch triggers the alarm via the control unit.

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5
Q

How does the Semiconductor Loop operate?

A

Each loop has a metal tube, its electrical resistance decreases as the temperature
increases. The resistance between the central
wire and tube decreases below the threshold, the alarm is triggered.

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6
Q

The APU and Engine Fire detection system activates the same, so what differs the APU from the Engine?

A

One feature is a ground warning in the nose or main wheel well area (Red flashes and a warning horn sounds) Second, it also automatically shut down and
on some aircraft types it also automatically extinguished

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7
Q

What kind of sensor is used in Wheel Well Area?

A

Semiconductor loop (Single continous loop)

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8
Q

Fire detection used in the Cargo Compartment?

A

Dual Sensor Smoke Detectors

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9
Q

What are the conditions to operate the Dual
Smoke Detectors?

A

(1 Fail) + (1 Alarm) = The output will alarm but using OR Gate

(2 Alarms/ they are both healthy) = The output will alarm by using AND Gate

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10
Q

ENG Fire Indicators?

A

Local Fire Warning =
-Fire P/B S/W,
-MASTER Control S/W – ENG

Central Warning =
-Master Warning Light,
-Aural Warning/CRC,
-ECAM/EICAS Display Red Message

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11
Q

What will happen when we press MASTER
Warning Light P/B S/W?

A

The Central Warning is cancelled when
you press the P/B S/W

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12
Q

Each Lavatory smoke detection has?

A

A single sensor in the lavatory ceiling area

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13
Q

How do you cancel the aural warnings in Lavatories?

A

By pushing the RESET Button

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14
Q

) What are the Parts of Fire and Overheat Detection Systems?

A

First – Sensor, Second – Control Unit, Third – Panels for the warnings

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15
Q

Three main components of a basic fire extinguishing system?

A

Extinguisher Bottle, Discharged Head w/ cartridge (squib), Piping w/ spray nozzle

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16
Q

If there is smoke from the avionics compartment where will it go?

A

in the equipment cooling duct outlet

17
Q

If the APU is on fire and the cockpit is empty what are the features?

A

A red light flashes and a warning horn sounds

18
Q

the cargo smoke detection system has?

A

Smoke detectors, Control unit and cargo fire control panel

19
Q

When smoke is detected in the lavatory, where can you see warnings?

A

In the passenger cabin near the flight attendat seat and on the purser panel. The pilots are also informed by a central warning on ECAM or EICAS

20
Q

If loop A is healthy and didn’t triggered
an alarm but the Loop B triggers an alarm, What does it mean?

A

There’s a Fault

21
Q

The APU and Engine Fire detection system activates the same, so what differs the APU from the Engine?

A

One feature is a ground warning in the nose or main wheel well area (Red flashes and a warning horn sounds) Second, it also automatically shut down and on some aircraft types it also automatically extinguished

22
Q

ENG Fire Indicators?

A

-Local Fire Warning = Fire P/B S/W, -MASTER Control S/W – ENG Central Warning = Master Warning Light, -Aural Warning/CRC,
-ECAM/EICAS Display Red Message

23
Q

What will happen when we press MASTER Warning Light P/B S/W?

A

The Central Warning is cancelled when you press the P/B S/W

24
Q

Fire detection used in the Cargo Compartment?

A

Dual Sensor Smoke Detectors

25
Q

Each Lavatory smoke detection has?

A

Single Sensor Smoke Detectors

26
Q

Sensor used for pneumatic duct leak detection

A

Spot sensor