11.17. Water-Waste (ATA 38)

Câu 1. Toilets are the subject of. (Level 1)

• A. AWN 83.
• B. AWN 79.
• C. AWN 80.

Câu 2. Toilet waste valves are. (Level 1)

• A. Not spring loaded.
• B. Spring loaded open.
• C. Spring loaded closed.

Câu 3. The heater used on a drain mast would be a. (Level 1)

• A. Induction heater.
• B. Hot air blower.
• C. Ribbon heater.

Câu 4. Where is waste water from washbasins and galleys removed to? (Level 1)

• A Out of the aircraft through drain lines and drain masts.
• B Waste tanks.
• C A separated tank.

Câu 5. Which valve in each lavatory can be used to close and isolate the lavatory from potable water supply? (Level 1)

• A Auto electrical shut-off valve.
• B Auto pneumatic shut-off valve.
• C Manual shut-off valve.

Câu 6. Supplied water for the mixer valve input ports comes from: (Level 1)

• A Header and heater.
• B Header and faucet.
• C Faucet and heater.

Câu 7. How can water be heated up in a heater of the potable water system? (Level 1)

• A Use hot air from engine.
• B Use gas for burning.
• C Use electrical heating elements.

Câu 8. Which air source is normally used for water pressurization? (Level 1)

• A Bleed air from the pneumatic system.
• B Electrical air compressor.
• C Ram air.

Câu 9. What altitude is the vacuum blower used for the vacuum system? (Level 1)

• A Below 12000ft.
• B Below 14000ft.
• C Below 16000ft.

Câu 10. What is the source for water pressurization? (Level 1)

• A only the pneumatic.
• B only an air compressor.
• C only the pneumatic and only an air compressor.