Aircraft Water and Waste System Overview
130 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What subsystems make up the water and waste system?

  • Drinking water system, sewage system, drainage system
  • Water supply system, HVAC system, electrical system
  • Water purification system, recycling system, irrigation system
  • Potable water system, waste water system, toilet system (correct)

How is the potable water tank pressurized to supply water?

  • Compressed air from the bleed air system or ground pressure connection (correct)
  • Wind energy conversion
  • Hydraulic pump system
  • Solar power backup

What controls the heating of water pipes in icing conditions?

  • Manual water pipe insulation adjustment
  • Heating elements based on ambient temperature
  • Water flow rate regulation valves
  • Tape electrical heaters controlled by anti ice control units (correct)

How is each lavatory connected to the potable water distribution system?

<p>Through a manual shut-off valve for isolation (A)</p> Signup and view all the answers

What is used to prevent ice formation in the potable water servicing panel?

<p>Heating elements installed in the panel (B)</p> Signup and view all the answers

How are water faucets in the aircraft supplied with water?

<p>Through a distribution system from the water tank (A)</p> Signup and view all the answers

What is the maximum amount of water used to flush the waste tank?

<p>57 liters (B)</p> Signup and view all the answers

In cold weather conditions, why must the potable water system be drained?

<p>To prevent damage to the system by ice (C)</p> Signup and view all the answers

What must be done if the drain mast is not heated?

<p>Not dispatch the aircraft (C)</p> Signup and view all the answers

What is the purpose of moving the drain valve control-handle to the open position?

<p>Drain waste from the toilet tank (A)</p> Signup and view all the answers

What should be done after flushing the waste tank with water?

<p>Drain the water from the tank (D)</p> Signup and view all the answers

Under what condition can an aircraft be dispatched if the drain mast is not heated?

<p>When galley and toilet use is restricted (A)</p> Signup and view all the answers

What is used to prevent ice formation in the fill/drain nipple and overflow nipple?

<p>Electric heating (A)</p> Signup and view all the answers

What controls the potable water service panel heating?

<p>Thermostat (C)</p> Signup and view all the answers

What must be done in winter conditions regarding the potable water system during night stops?

<p>It must be drained (A)</p> Signup and view all the answers

Where are the water and waste indications displayed?

<p>Flight Attendant Panel (FAP) (A)</p> Signup and view all the answers

How is the filling quantity selected for the water tank?

<p>25%, 50%, 75%, and 100% (C)</p> Signup and view all the answers

What happens when the fill/drain control handle is set to the drain position?

<p>Forward drain valve opens (D)</p> Signup and view all the answers

Where is the waste holding tank installed on the aircraft?

<p>Right of the aircraft under the floor behind the bulk cargo compartment (D)</p> Signup and view all the answers

What controls the flushing system operation in the toilet system?

<p>Vacuum System Controller Function (VSCF) (B)</p> Signup and view all the answers

What is the purpose of the fill/drain control handle?

<p>To select a filling or draining operation for the water (C)</p> Signup and view all the answers

Where is the potable water service panel located?

<p>In the rear left hand side of the fuselage (D)</p> Signup and view all the answers

What happens when the potable water service panel door is opened?

<p>The water and waste page appears automatically on the FAP (D)</p> Signup and view all the answers

Where is the FAP located?

<p>In the forward section of the cabin (A)</p> Signup and view all the answers

What information does the FAP display about the potable water system?

<p>The water quantity stored in the potable water tank (A)</p> Signup and view all the answers

Where is the toilet service panel located?

<p>In the rear right hand side of the fuselage between FR65 and FR66 (B)</p> Signup and view all the answers

What happens when the toilet service panel door is opened on the ground?

<p>The Cabin Intercommunication Data System (CIDS) stops all toilet operations (A)</p> Signup and view all the answers

What does the FAP display about the waste holding tank?

<p>The waste quantity stored in the waste holding tank (A)</p> Signup and view all the answers

What happens when a lavatory is deactivated?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary purpose of the compressed air used in the potable water system?

<p>To pressurize the system and supply water from the tank to the necessary service locations (A)</p> Signup and view all the answers

Where is the potable water tank located?

<p>In the pressurized LH underfloor area rear of the aft cargo compartment (B)</p> Signup and view all the answers

What is the purpose of the water heaters installed in the lavatories and galleys?

<p>To provide hot water to the water faucets in the lavatories and galleys (C)</p> Signup and view all the answers

What is the purpose of the anti-ice control units installed in the cargo compartments?

<p>To automatically control the heating elements that prevent ice formation in the water pipes (D)</p> Signup and view all the answers

How are mechanically or electrically operated valves used in the potable water system?

<p>To control the supply of water from the water tank to the water faucets in the galleys and lavatories (B)</p> Signup and view all the answers

What is the purpose of the potable water service panel heating?

<p>To prevent ice formation in the potable water servicing panel in icing conditions (D)</p> Signup and view all the answers

What is the purpose of the manual shut-off valves installed in each lavatory?

<p>To isolate each lavatory from the potable water distribution system (C)</p> Signup and view all the answers

What is the purpose of the electrically heated fill/drain nipple and overflow nipple?

<p>To prevent ice formation in the remaining water (B)</p> Signup and view all the answers

Where is the potable water service panel located?

<p>In the rear lower fuselage on the LH side (C)</p> Signup and view all the answers

What controls the flushing system operation in the toilet system?

<p>The Vacuum System Controller Function (VSCF) (D)</p> Signup and view all the answers

Where is the waste holding tank installed on the aircraft?

<p>On the right of the aircraft under the floor behind the bulk cargo compartment (C)</p> Signup and view all the answers

How is the potable water tank pressurized to supply water?

<p>Using the aircraft's pressurized water system (D)</p> Signup and view all the answers

What happens when the potable water service panel door is opened?

<p>All of the above (D)</p> Signup and view all the answers

What must be done in winter conditions regarding the potable water system during night stops?

<p>The potable water system must be drained (D)</p> Signup and view all the answers

What happens when the forward drain valve open light comes on?

<p>The light has a lamp press to test facility (D)</p> Signup and view all the answers

Where is the forward water drain panel located on the aircraft?

<p>On the A/C center line of the lower fuselage (B)</p> Signup and view all the answers

What is the purpose of the door microswitch related to the potable water service panel?

<p>Isolates the indicating system when the door is open (C)</p> Signup and view all the answers

When does the water and waste page come on automatically on the Flight Attendant Panel (FAP)?

<p>When the service panel door is opened (C)</p> Signup and view all the answers

Where is the toilet service panel installed on the aircraft?

<p>In the rear right side of the fuselage (D)</p> Signup and view all the answers

What message comes on when the toilet service panel is open on ground?

<p>&quot;Vacuum System Disabled - Ground Servicing&quot; (A)</p> Signup and view all the answers

What does a grey square symbolize on the aircraft symbol concerning lavatories?

<p>Activated lavatory (C)</p> Signup and view all the answers

What is the maximum pressure allowed when flushing the waste tank?

<p>3.45 bar (50.0380 psi) (D)</p> Signup and view all the answers

How much disinfectant solution should be filled in the toilet tank after draining?

<p>10 liters (B)</p> Signup and view all the answers

What should be done if waste fluids such as oil, fuel, solvent or lubricant are spilled?

<p>Sort them and use special waste disposal containers (C)</p> Signup and view all the answers

What is the approximate time required for flushing the waste tank with water?

<p>90 seconds (C)</p> Signup and view all the answers

If the drain mast is not heated, what action should be taken?

<p>The associated galleys or toilets must be locked and placarded as inoperative (B)</p> Signup and view all the answers

What should be done with the drain valves if the bleed air system is off and the external air temperature is below 0°C (32°F)?

<p>The drain valves must be left open (C)</p> Signup and view all the answers

What is the maximum amount of water that should be used to flush the waste tank?

<p>57 liters (15.0576 USgal) (C)</p> Signup and view all the answers

What should be done after draining the water from the tank?

<p>Fill the tank with disinfectant solution (A)</p> Signup and view all the answers

What controls the heating of water pipes in icing conditions?

<p>The information is not provided in the text (D)</p> Signup and view all the answers

What is the primary purpose of the compressed air used in the potable water system?

<p>To pressurize the potable water tank and supply water to the necessary service locations (D)</p> Signup and view all the answers

Where is the potable water tank installed on the aircraft?

<p>In the pressurized LH underfloor area rear of the aft cargo compartment (B)</p> Signup and view all the answers

What is the purpose of the water heaters installed in the lavatories and galleys?

<p>To heat the water for the faucets and sinks (C)</p> Signup and view all the answers

What is the purpose of the anti-ice control units installed in the cargo compartments?

<p>To control the heating of the water pipes in icing conditions (C)</p> Signup and view all the answers

How is each lavatory connected to the potable water distribution system?

<p>Through a manual shut-off valve that can isolate the lavatory from the system (A)</p> Signup and view all the answers

What is the purpose of the potable water service panel heating?

<p>To prevent ice formation in the potable water servicing panel in icing conditions (D)</p> Signup and view all the answers

What subsystems make up the water and waste system?

<p>Potable water system, waste water system, and toilet system (D)</p> Signup and view all the answers

What is the main purpose of flushing the waste tank with water?

<p>To clean and disinfect the tank (D)</p> Signup and view all the answers

What should be done with the drain valves if the bleed air system is off and the external air temperature is below 0°C (32°F)?

<p>Open the drain valves to allow the system to drain (C)</p> Signup and view all the answers

What is the maximum pressure allowed when flushing the waste tank?

<p>3.45 bar (50.04 psi) (C)</p> Signup and view all the answers

How much disinfectant solution should be added to the toilet tank after draining?

<p>10 liters (A)</p> Signup and view all the answers

What is the approximate time required for flushing the waste tank with water?

<p>90 seconds (C)</p> Signup and view all the answers

What must be done if the drain mast is not heated?

<p>The aircraft can be dispatched if the associated galleys and toilets are not used (C)</p> Signup and view all the answers

What is the purpose of moving the drain valve control-handle to the open position?

<p>To drain the waste from the toilet tank (A)</p> Signup and view all the answers

What is the maximum amount of water that should be used to flush the waste tank?

<p>57 liters (15.0576 gallons) (B)</p> Signup and view all the answers

What is the primary purpose of the compressed air used in the potable water system?

<p>To pressurize the potable water tank (B)</p> Signup and view all the answers

What does the tank full light indicate?

<p>The water tank is full (B)</p> Signup and view all the answers

Where is the forward water drain panel located?

<p>On the A/C center line of the lower fuselage (D)</p> Signup and view all the answers

What is indicated by the tank symbol with a scale on the Flight Attendant Panel (FAP)?

<p>Liquid level in percentage (A)</p> Signup and view all the answers

What happens when the toilet service panel door is open on ground?

<p>CIDS stops all toilet operations (A)</p> Signup and view all the answers

What information does the FAP display about the waste holding tank?

<p>Waste quantity in percentage (A)</p> Signup and view all the answers

When does the FAP WATER/WASTE page appear automatically?

<p>When there is a fault in the system (D)</p> Signup and view all the answers

What does the amber cross symbolize on the lavatory square of the aircraft symbol?

<p>De-activated lavatory due to no communication with flush control unit (C)</p> Signup and view all the answers

What is the purpose of the electrical heating elements in the drain masts?

<p>To prevent ice formation during flight and in cold weather (D)</p> Signup and view all the answers

How does the toilet system operate at high altitudes?

<p>It relies on the differential pressure between the cabin and atmosphere to move waste (D)</p> Signup and view all the answers

What component controls the flushing system operation in the toilet system?

<p>The Vacuum System Controller Function (VSCF) (C)</p> Signup and view all the answers

Where is the Vacuum System Controller Function (VSCF) installed?

<p>In the avionics compartment (D)</p> Signup and view all the answers

What happens when the waste servicing panel is open?

<p>The toilet system operation stops (D)</p> Signup and view all the answers

What component is used to separate water from the waste in the holding tank?

<p>A water separator (B)</p> Signup and view all the answers

How is the filling quantity for the potable water tank selected?

<p>By selecting the desired percentage (25%, 50%, 75%, or 100%) on the FAP (C)</p> Signup and view all the answers

How is the potable water tank pressurized to supply water?

<p>By using compressed air from the bleed air system or ground pressure connection (C)</p> Signup and view all the answers

What prevents ice formation in the potable water servicing panel in icing conditions?

<p>Heated tape electrical heaters (B)</p> Signup and view all the answers

What component controls the supply of the potable water system?

<p>Electrically operated valves (B)</p> Signup and view all the answers

What is the purpose of the manual shut-off valves installed in each lavatory?

<p>To isolate each lavatory from the potable water distribution system (A)</p> Signup and view all the answers

Why are water pipes, where icing conditions can occur, insulated and heated?

<p>To prevent ice formation on the pipes (B)</p> Signup and view all the answers

What controls the automatic heating of the water pipes in icing conditions?

<p>Two anti ice control units installed in the cargo compartments (B)</p> Signup and view all the answers

Where is one of the water heaters installed within the aircraft?

<p>In each lavatory and galley (C)</p> Signup and view all the answers

How is compressed air supplied to pressurize the potable water system?

<p>From the bleed air system in normal configuration or a ground pressure connection (B)</p> Signup and view all the answers

What prevents ice formation in the potable water service panel?

<p>Heated tape electrical heaters (B)</p> Signup and view all the answers

How does the potable water get supplied to water faucets in galleys and lavatories?

<p>From a distribution system connected to the water tank (A)</p> Signup and view all the answers

What controls the operation of the potable water system's heating in icing conditions?

<p>Thermostat (D)</p> Signup and view all the answers

Where is the waste holding tank installed on the aircraft?

<p>On the right under the floor behind the bulk cargo compartment (B)</p> Signup and view all the answers

What triggers the stopping of the flushing system operation in the toilet system?

<p>Liquid level sensor (B)</p> Signup and view all the answers

Which component prevents ice formation in the drain masts during cold weather?

<p>Integrated heating elements (D)</p> Signup and view all the answers

How is waste moved from the toilet bowl to the waste holding tank at high altitude?

<p>Differential pressure between cabin and atmosphere (D)</p> Signup and view all the answers

Where is the door microswitch located in relation to the potable water service panel?

<p>On the door itself (A)</p> Signup and view all the answers

What is used to supply potable water for flushing in the toilet system?

<p><strong>Potable water tank</strong> (D)</p> Signup and view all the answers

Which system controls and stops toilet system operation when needed?

<p><strong>Vacuum System Controller Function (VSCF)</strong> (C)</p> Signup and view all the answers

What is used to discard used water from lavatories and galley sinks?

<p>Waste water system with drain valve and drain mast (C)</p> Signup and view all the answers

How does waste move from a toilet bowl to a waste holding tank at low altitude or on ground?

<p>Vacuum generator activates differential pressure (D)</p> Signup and view all the answers

What is the purpose of the fill/drain control handle?

<p>To select a filling or draining operation for the potable water tank (B)</p> Signup and view all the answers

Where is the forward water drain panel located?

<p>On the A/C center line of the lower fuselage (A)</p> Signup and view all the answers

What is the purpose of the door microswitch on the potable water service panel?

<p>It isolates the indicating system when the panel is closed (A)</p> Signup and view all the answers

What is the purpose of the tank full light?

<p>It indicates when the water tank is full (C)</p> Signup and view all the answers

What is the purpose of the water and waste page on the Flight Attendant Panel (FAP)?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of the drain control handle at the toilet service panel?

<p>To manually operate the waste holding tank drain valve (D)</p> Signup and view all the answers

What is indicated by the grey square on the aircraft symbol for a lavatory?

<p>The lavatory is activated (B)</p> Signup and view all the answers

What is indicated by the amber square on the aircraft symbol for a lavatory?

<p>The lavatory is deactivated (A)</p> Signup and view all the answers

What is the purpose of the RESET WARNING button on the FAP?

<p>To reset the water and waste system in case of flush valve failure (D)</p> Signup and view all the answers

What message comes on when the toilet service panel is open on the ground?

<p>VACUUM SYSTEM DISABLED-GROUND SERVICING (B)</p> Signup and view all the answers

What is the maximum pressure allowed when flushing the waste tank?

<p>$3.45 bar (50.0380 psi)$ (D)</p> Signup and view all the answers

What should be done with the drain valves if the bleed air system is off and the external air temperature is below 0C (32F)?

<p>The drain valves must remain open after the potable water system is drained to prevent damage to the potable water system. (C)</p> Signup and view all the answers

What is the main purpose of flushing the waste tank with water?

<p>To clean the waste tank (A)</p> Signup and view all the answers

What should be done after draining the water from the tank?

<p>Fill the toilet tank with 10 l of disinfectant solution. (D)</p> Signup and view all the answers

What is the approximate time required for flushing the waste tank with water?

<p>90 seconds (D)</p> Signup and view all the answers

What should be done if waste fluids such as oil, fuel, solvent or lubricant are spilled?

<p>Sort them and use special waste disposal containers. (D)</p> Signup and view all the answers

What is the maximum amount of water that should be used to flush the waste tank?

<p>57 l (15.0576 USgal) (C)</p> Signup and view all the answers

What happens when a lavatory is deactivated?

<p>The lavatory door is locked, and a placard is placed indicating it is inoperative. (C)</p> Signup and view all the answers

What is the purpose of the electrical heating elements in the drain masts?

<p>To heat the drain masts and prevent ice formation. (C)</p> Signup and view all the answers

What is the primary purpose of the compressed air used in the potable water system?

<p>To pressurize the potable water tank. (D)</p> Signup and view all the answers

What is the purpose of the potable water service panel heating?

<p>To prevent ice formation in the fill/drain nipple and overflow nipple. (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser