Water Tank System Operation Quiz

electrically-powered air compressor, engine bleed air, or Auxiliary Power Unit (APU) bleed air pressure

using the pressure difference between the cabin and the waste tank

To provide potable, filtered water to galley and lavatory fixtures, bidets, and showers.

<p>Prevent damage to the valves in case ice has formed on the valve body from residual water.</p> Signup and view all the answers

<p>To ensure minimal residual water remains in the system by forcing air through the water filter and lines.</p> Signup and view all the answers

<p>The aircraft control system will indicate the completion of the Purge cycle via the GCMS Touchscreen.</p> Signup and view all the answers

<p>115V AC, 400 Hz, 3-phase power from the aircraft Main AC bus</p> Signup and view all the answers

<p>The Forward Gray Water Drain valve (V5) is open when the aircraft is on the ground and closed when the aircraft is in the air.</p> Signup and view all the answers

<p>The tank is considered full when a solid stream of water flows from the drain mast.</p> Signup and view all the answers

<p>The PWS has a storage capacity of 40 gallons, comprised of two independent systems (A and B), each supplied by a 20-gallon water tank, to enhance reliability.</p> Signup and view all the answers

<p>Electrically-powered air compressor, engine bleed air, Auxiliary Power Unit (APU) bleed air pressure</p> Signup and view all the answers

<p>Using the pressure difference between the cabin and the waste tank</p> Signup and view all the answers

<p>To close the tank isolation valves and the air supply valve, and command the supply valves to 'All Drain' to allow system line venting.</p> Signup and view all the answers

<p>To prevent damage to the valves in case ice has formed on the valve body from residual water</p> Signup and view all the answers

<p>Inserted through the flexible hoses and rigid tubing, the installation allows a single heater to route through several lines.</p> Signup and view all the answers

<p>To cover most of the inboard and outboard surfaces of the tanks to prevent freezing.</p> Signup and view all the answers

<p>115V AC, 400 Hz, 3-phase power from the aircraft Main AC bus</p> Signup and view all the answers

<p>22 to 28.5V DC</p> Signup and view all the answers