17 - Smoke Detection

Question 1

1. (DSC-26-50) Smoke detection systems are installed in:
   (a) the avionics bay and cargo compartments
   (b) avionics bay, cargo compartments and lavatories
   (c) avionics bay, cargo compartments, lavatories and galleys
   (d) each cabin compartment and cargo compartment

Answer 1

(b) avionics bay, cargo compartments and lavatories

Question 2

2. (DSC-26-30) When avionics smoke warning activates the ‘smoke’ light illuminates on the :
   (a) Bus tie P/B on overhead ELEC panel
   (b) Gen 1 P/B on overhead ELEC panel
   (c) Galley Power P/B on overhead ELEC panel
   (d) GEN 1 LINE P/B on overhead EMER ELEC panel

Answer 2

(d) GEN 1 LINE P/B on overhead EMER ELEC panel

Question 3

3. (DSC-26-30) The Avionics bay smoke detector is located in the:
   (a) avionics bay
   (b) air extraction duct of the ventilation system
   (c) air inlet duct of the ventilation system
   (d) skin heat exchanger

Answer 3

(b) air extraction duct of the ventilation system

Question 4

4. (DSC-21-30) With the Blower and Extract P/Bs in OVERRIDE the avionics ventilation system gets air from:
   (a) ventilation inlet valve
   (b) skin heat exchange bypass valve
   (c) ventilation outlet valve
   (d) air conditioning inlet valve

Answer 4

(d) air conditioning inlet valve

Question 5

5. (DSC-26-30) Avionics Smoke warning is inhibited during take-off from:
   (a) 80kts to 1500ft
   (b) 80kts to lift-off
   (c) thrust levers in FLX or TOGA to lift-off
   (d) not inhibited

Answer 5

(a) 80kts to 1500ft

Question 6

6. (DSC-26-40) Lavatory smoke detectors are :
   (a) located in each lavatory air extraction duct
   (b) not installed
   (c) located in aft lavatory only
   (d) located in lavatory waste bin only

Answer 6

(a) located in each lavatory air extraction duct

Question 7

7. (DSC-26-40) Activation of lavatory smoke warning causes?
   (a) the fire extinguishing system to be automatically discharged
   (b) the smoke detection control unit (SDCU) to send a warning to ECAM and CIDS
   (c) the SDCU to send a warning to ECAM, CIDS and nose interphone panel
   (d) the SDCU to send a warning to ECAM and CIDS, and automatic discharge of extinguishing system

Answer 7

(b) the smoke detection control unit (SDCU) to send a warning to ECAM and CIDS

Question 8

8. (DSC-26-50) Smoke detection in the forward and aft cargo compartments consists of:
   (a) smoke detection is not provided in the cargo compartments
   (b) 2 smoke detectors and a smoke detection control unit (SDCU)
   (c) 4 smoke detectors in each compartment and a SDCU
   (d) 2 smoke detectors in the forward compartment, 4 detectors in the aft compartment and a SDCU

Answer 8

(d) 2 smoke detectors in the forward compartment, 4 detectors in the aft compartment and a SDCU

Question 9

9. (DSC-26-50) What happens when the DISCH P/B on the CARGO SMOKE panel is pressed?
   (a) the agent is discharged into the corresponding cargo compartment and the amber DISCH light illuminates when the bottle has discharged
   (b) the agent discharges at all three nozzles
   (c) the amber DISCH light illuminates to show which compartment has been selected
   (d) agent no.1 is discharged into the forward compartment and agent no.2 discharges into the aft compartment

Answer 9

(a) the agent is discharged into the corresponding cargo compartment and the amber DISCH light illuminates when the bottle has discharged

Question 10

10. (DSC-26-50) What happens when the cargo smoke test P/B is pressed?
    (a) nothing - cargo smoke detection is not installed
    (b) ECAM warning displayed in E/WD and AGENT light illuminates
    (c) Master warning sounds twice and the smoke detectors are tested
    (d) the smoke detector lights are tested, the red smoke lights illuminate twice, the ECAM warning is displayed, the aft isolation valve closes and the amber DISCH lights illuminate

Answer 10

(d) the smoke detector lights are tested, the red smoke lights illuminate twice, the ECAM warning is displayed, the aft isolation valve closes and the amber DISCH lights illuminate

Question 11

11. (DSC-26-10) Air conditioning smoke warning is activated if smoke is detected in:
    (a) air conditioning duct
    (b) hot air manifold
    (c) no warning system installed - QRH procedure applied if smoke is detected by the crew
    (d) pack outlet duct

Answer 11

(c) no warning system installed - QRH procedure applied if smoke is detected by the crew