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2ND SEMESTER_FINALS > AC ENVIRONMENT AND AUXILIARY SYSTEM (2) > Flashcards

AC ENVIRONMENT AND AUXILIARY SYSTEM (2) Flashcards

1
Q

It supplies potable water to the lavatories and galleys of an airplane.

A

water and waste system

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2
Q

It removes the sink and toilet waste.

A

water and waste system

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3
Q

Potable water is stored in a tank capacity of ______________ tank in an airplane.

A

200 LITERS

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4
Q

two drain masts

A

forward mast drains wastewater from the forward cabin

aft drain mast drains wastewater from the aft cabin

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5
Q

It comes from the aircraft galleys and from the lavatories sinks.

A

wastewater drains overboard

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6
Q

It discharges the wastewater from the toilet bowl to the waste storage tank in flight.

A

Differential pressure

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7
Q

Differential pressure created by the _________________ forces the waste from toilet bowls into the waste storage tank of aircraft.

A

vacuum generator

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8
Q

It produces the necessary pressure differential while the aircraft is on the ground, and at altitudes below 16000 ft.

A

vacuum generator

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9
Q

It uses clear water from the potable water system to flush the toilets.

A

waste system

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10
Q

_____________ in the airplane has a usable capacity of 170 liters.

A

Waste tank

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11
Q

It is installed under the washbasin in each toilet unit to supply hot water to the water tap.

A

water heater

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12
Q

It avoids constant aircraft cabin depressurization by opening only when a certain amount of water is collected.

A

Air stop valves

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13
Q

It is used to fill the water in the airplane.

A

Water Servicing Cart

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14
Q

The ________________ in the airplane contains a fitting for the attachment of a fill hose.

A

water servicing panel

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15
Q

The _____________ on the panel is used to fill the tank.

A

quantity indicator

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16
Q

It is plumbed from the top of the tank to the aircraft exterior.

A

overfill drain line

17
Q

Lavatory manufacturers have progressed to ___________ technology to eliminate solid and liquid residue from the basin.

A

vacuum flush

18
Q

Vacuum flush patented in _______.

A

1975

19
Q

They are considered to be less odor-inducing and substantially lighter in weight, saving fuel by reducing the need to carry large reserves of blue recirculating water.

A

vacuum flush systems

20
Q

a small lav truck pulled behind a tug

A

lav cart

21
Q

It is used to drain the waste from the aircraft waste tank.

A

Lavatory Service Cart

22
Q

The aircraft waste tank is drained by pulling the waste drain valve handle on the toilet servicing panel after attaching the ground lavatory service cart to the ____inch drain outlet and removing the drain plug.

A

4

23
Q

APU

A

Auxiliary Power Unit

24
Q

It allows an aircraft to operate autonomously without reliance on ground support equipment such as a ground power unit, an external air-conditioning unit or a high pressure air start cart.

A

Auxiliary Power Unit or APU

25
Q

The APU is a small jet engine which is normally located in the _________ of the aircraft

A

tail cone

26
Q

But, in some cases, APU is located in an _________ or in the ______________.

A

engine nacelle / wheel well

27
Q

The APU can be started utilizing only the _____________________.

A

aircraft battery(s)

28
Q

It provides an additional source of electrical power in the event of the loss of an engine generator.

A

APU

29
Q

It can also be used as a source of bleed air for starter assist for an inflight engine relight.

A

APU

30
Q

It powers the air-conditioning packs in the event conditions or company policy dictate that the takeoff be conducted with the engine bleed turned off.

A

APU

31
Q

Their duty is to flush the lavatory system.

A

lav agent

31
Q

It is used to service the lavatories.

A

lav cart

2ND SEMESTER_FINALS (6 decks)

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