Can any toilet be used during servicing? (level 2)

C. No, the door limit switch on the toilet servicing panel deactivates the toilet control system.

A. Yes, because toilet use and servicing is independent

B. Yes, but only the front toilet

From where does the LAV INOP Fault light come at the FWD Attendant Panel? (level 2)

B. A fault of the related lavatory flush control unit (FCU)

A. A level sensor in each toilet unit

C. The door limit switch (panel door open) on the servicing panel.

Which signal close the Fill/ Drain valve during servicing with electrical power available? (level 3)

A. By a quantity transmitter which sends a tank full signal to close the fill/drain valve automatically

B. When the quantity gauge indicates full the valve has to be closed manually

C. There is no signal available, the tank has to be filled with a measured amount of water.

How is the water tank depressurized during servicing? (level 2)

B. By operating the fill/over flow valve

A. By operating a wash basin faucet

C. By a push button the servicing panel

To prevent ice formation on the drain masts, the drain masts are (level 2)

C. heated by electrical on the ground or heated by hot air in the air.

the waste moves from the toilet bowl to the waste holding tank by(level 2)

A. Differential pressure between the cabin and the atmosphere

B. Differential pressure between the waste tank and the atmosphere

C. Pressure of the rinse water.

On ground, when the toilet service panel is open(level 2)

A. The "SYS INOP" light comes on.

B. The "LAVatory INOPerative" light comes on

C. The vacuum generator comes on.

What is liquid level sensor function of waste system? (level 3)

A. To detect full of the waste tank

B. To control and monitor the toilet system operation.

C. To stop vacuum generator when A/C altitude more than 16000ft.

What is function of VSC? (level 2)

C. control and monitor the toilet system operation a Fault reporting

B. Control and monitor the toilet system operation

lavatory can be isolated from the potable water distribution system through (level 2)

C. An automatically shut-off valve.

For A320, using the fill/drain control handle to fill position: (level 2)

B. can electrically control overflow valve

A. cannot electrically control overflow valve

C. can electrically control drain valves

The potable water system can be pressurized by: (level 1)

C. Bleed air system or optional compressor

The waste water from lavatory wash basins and galley sinks to be: (level 3)

A. Discharged overboard via drain masts.

C. Keeps in integral container with lavatory.

The water quantity on FAP is displayed when: (level 3)

C. The "IND ON" pushbutton on the FAP is pressed in or The potable water service door is open.

A. The "IND ON" pushbutton on the FAP is pressed in.

B. The potable water service door is open.

The tank full light of water system controlled by: (level 3)

B. The water quanlity transmiter

The tank full light comes on when: (level 2)

C. The tank drain valve is open.

Signal from the high-level switch use to (level 3)

A. Closes the fill/drain valve.

C. To disconnect electrical supply to the water heaters in the lavatories.

The drain masts are (level 2)

A. Electrically heated to prevent ice formation.

C. Heated by both electrical and hot air.

The difference of pressure between the cabin and the atmosphere can be caused by (level 2)

C. The vacuum generator or by aircraft pressurization

Why the potable water tank is pressurized (level 2)

C. To enable water supply from the tank to the service users.

B. To prevent cavitation condition.

Using the fill/drain control handle: (level 3)

B. can electrically control other valves

A. cannot electrically control other valves

C. can electrically control overflow valve only

When the waste tank is full (A320) (level 2)

A. The vacuum system cotroller (VSC) shuts down the toilet system.

B. The VSC sends a “LAV INOP” message to the forward attendent panel.

C. The Flush Control Units (FCUs) are automatically de-activated

When are the water and waste indications displayed on the Flight Attendant Panel (FAP) (Enhance sysem)? (level 3)

A. The Service panel is open or push Water/Waste pushbutton on the FAP.

B. The water tank or the waste tank is full.

C. The Fill drain valve or Fill/overflow valve is open.

The drain valves installed in the waste water system to (level 2)

A. Allow the sinks and wash basins to be isolated.

C. Prevent wash basins from being isolated.

On ground, the vacuum generator start to operate as soon as (level 3)

B. Altitude pressure switch opens.

Without electrical power, the forward drain valve (level 2)

C. Is mechanically controlled by the forward drain valve handle.

B. Can be controlled by operating the fill/drain valve handle.

For enhance system, the LGCIU is used to (level 3)

B. Backup in case of the Cabin Pressure Controller or the System Data Acquisition Concentrator failure.

A. Supply air/ground signal to the CIDS Director to open the drain valve when A/C on the ground.

C. Backup in case of the Altitude Pressure Switch failure.

The Flush Control Unit (FCU) controls (level 2)

B. The vacuum generator operation.

C. Backup in case of the Altitude Pressure Switch failure.

The Water Valves and Flush Valves of the toilet system are monitored by: (level 3)

C. The associated Flush Control Unit.

B. The Vacuum System Controller.

Which device protects the water heaters in the lavatories from damage when the normal temperature control is failed? (level 3)

C. An over temperature safety device will cut off the electrical power.

A. You should pull out the circuit breaker

B. You have to switch off the associated water heater when a related warning message appears on the ECAM.

When the high level of the water quantity transmitter is trigged (level 3)

B. The fill/drain valve closes and the water filling is stop

A. The warming of water tank overfill is trigged

C. The electrical supply to the water fill/drain valve is cut

How many quantity transmitters are in the potable water tank? (level 3)

A. One capacitor type transmitter

B. Two capacitor type transmitters

C. One capacitor type transmitter and one ultra sonic type transmitter

Why is the potable water tank pressurized? (level 3)

B. To enable water supply from the tank to the service users.

A. To ease the draining operation.

Where does the potable water tank locate (A 321)? (level 2)

A. Behind the aft cargo , in LH pressurized area

B. Behind the forward cargo , in RH pressurized area

C. Behind the aft cargo , in RH pressurized area

Where is the main drain port of the A320 aircraft potable water system? (level 1)

On the portable water service panel.

test38

Quiz

•

Science

•

1st Grade

•

Practice Problem

•

Easy

vinh vũ

Used 32+ times

FREE Resource

B. To prevent a permanent loss of cabin air pressurization

C. To prevent wash basin from being isolated

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test38

58 questions

Where can the potable water quantity be checked? (level 1)

Why are drain valves installed in the waste water drain system? (level 1)

Where does the toilet bowl rinsing water come from? (level 1)

How is the waste transported to the waste holding tank? (level 1)

Is it possible to drain the whole water system without electrical power? (level 1)

How are the wash basin water heaters protected from damage should the normal temperature control fail? (level 2)

Why are the drain valve installed in the waste water drain system? (level 2)

Can any toilet be used during servicing? (level 2)

From where does the LAV INOP Fault light come at the FWD Attendant Panel? (level 2)

How many valves are used during draining operation of A320 aircraft water tank (level 1)

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