E190 - Fire protection

Question 1

What happens if you press the fire detection system TEST button for > 10 sec ?

Answer 1

The APU shuts down.

Question 2

Engine/APU fire detection is powered by:Engine extinguishing is powered by:APU extinguishing is powered by:

Answer 2

DC ESS BUSS-ES

HBB-ES
DC ESS BUS 2

Question 3

The engine and APU fire detection systems are continuously monitored in a … loop configuration.

Answer 3

Dual.

Question 4

True or false ? If an engine fire extinguishing bottle is discharged, fire handle illumination may disappear.

Answer 4

True. The fire condition still exists if the CAS msg is still shown.

Question 5

The indications for an engine fire are:

Answer 5

• WARNING light + aural alert- Fire handle illuminates- FIRE indication on ITT- EICAS warning ENG 1(2) FIRE

Question 6

The indications for an APU fire are:

Answer 6

• WARNING light + aural alert- APU EMER STOP red bar- EICAS warning APU FIRE
  ! APU fire button is NOT illuminated

Question 7

What happens if you press the APU EMER STOP button ? What happens if you press the APU FIRE EXT button?

Answer 7

The APU fuel SOV is closedAPU is shutdown
Same actions as APU EMER STOP +
Discharges the fire bottle

Question 8

What happens if you don’t press the APU EMER STOP within 1min after an APU fire ?

Answer 8

The APU fire extinguisher pushbutton illuminates.

Question 9

What happens if you have an APU fire on the ground and you don’t take any action ?

Answer 9

The APU will automatically shut down after 10 sec.

Question 10

How many APU fire bottles are available ?

Answer 10

One.

Question 11

The fwd cargo compartment has … smoke detectors, and the aft cargo compartment has … smoke detectors. The fwd and aft cargo smoke detection systems work:

Answer 11

fourthreeIndependent.

Question 12

In case of a fwd cargo smoke detection, these ventilation systems are automatically turned off:

Answer 12

• The fan is turned off (brings in air from the recirculation bay)
• Ventilation outflow valve is closed
  (at the end of the cargo bay)

Question 13

Both cargo fire bottles are installed in:The agent remains in the cargo compartment for:

Answer 13

The center e-bay60 min.

Question 14

Use of the cargo fire switch. The bottles are discharged when(annunciated smoke):

Answer 14

First bottle: after the first pushSecond bottle: 1min OR 2nd push

Question 15

Use of the cargo fire switch. The cargo bottles discharge(non-annunciated smoke):

Answer 15

First bottle: after the second pushSecond bottle: 1min / 3th push (gnd)

Question 16

In case of a non-annunciated smoke, the first bottle has to be discharged within …, otherwise the system is disarmed.

Answer 16

2 min.

Question 17

Does the fire detection TEST button also test the lavatory fire detection ?

Answer 17

No.

Question 18

The fire detection TEST switch gives the following indication:

Answer 18

• Fire aural alert- WARNING light- Fire extinguisher handles- Cargo, APU fire buttons- Upper half APU EMER button- All EICAS msgs- FIRE indication on the ITT- cargo fan and cargo outflow valve close

Question 19

What happens if you pull the ENG fire handle ?

Answer 19

Fuel SOV closesHydraulic SOV closesEBV closes.

Question 20

Is the low rate bottle automatically discharged on the ground in case of a cargo fire ?

Answer 20

No.