Water and Waste

Question 1

The drain masts are heated whenever 115VAC power is applied to the controller, regardless of the controller ON/OFF state.

Answer 1

True.

Question 2

What is the primary power source for the potable/wash water system (PWS)?

Answer 2

Bleed air regulated to 30 psi.

Question 3

How many gallons in potable water tanks?

Answer 3

11.5 Gallons forward, 10.1 in the aft

Question 4

How is water pressure created in flight?

Answer 4

Bleed Air

Question 5

How is water pressure created on the ground?

Answer 5

An electric motor

Question 6

Where are shut off valves?

Answer 6

Forward…flight deck coat compartment just above floor

Aft…behind the toilet paper, in the compartment.

Question 7

How many gallons do the forward and aft potable water tanks hold?

Answer 7

11.5 gallons forward and 10.1 gallons aft

Question 8

What provides pressure for the potable water system to dispense water?

Answer 8

Bleed air in flight and electric motor on the ground

Question 9

Are the drain masts of the potable water system heated?

Answer 9

Yes

Question 10

Where are the front and aft potable water shutoff valves located?

Answer 10

Forward is located in the flight deck coat compartment just above the floor

Aft is located in the compartment behind the toilet paper in the lavatory