AMT 221 Final Quiz

MIL-H-5606 is processed from petroleum and is described with an odor similar to penetrating oil and is dyed red. Is the statement True or False?

• True

• False

Skydrol is an example and is rooted from a Polyalfaolefin based fluids. Is the statement True or False?

• True

• False

__________ pumps are installed for use in emergencies or during ground operations when engines are not running.

• Electrical Driven

• Engine Driven

• Pneumatic Driven

Which statement best describes gear type pump?

• Consist of a housing containing 4 vanes, a hollow steel rotor with slots for the vanes, and a coupling to turn the rotor.

• Consists of a housing containing an eccentric-shaped stationary liner, an integral gear rotor having 4 narrow teeth.

• Consist of two meshed gears that revolve in a housing. Composed of a driven gear and a driving gear.

How does Power Transfer Unit work?

• Transfers pressure from one system to the other.

• Transfers fluid from one system to the other.

• Transfers temperature from one system to the other.

Pressure relief valve is used to limit the amount of pressure exerted on a confined liquid. How is this necessary?

• This is necessary to allow components or rupture of hydraulic lines under excessive pressures.

• This is necessary to prevent failure of components or rupture of hydraulic lines under excessive pressures.

• This is not necessary

Which statement best describes Rime Ice?

• Forms a smooth, thick coating over leading edges.

• Tenacious

• Is brittle and more easily removed

Which statement best describes Glaze Ice?

• Forms a rough surface on the aircraft leading edges.

• Tenacious

• Is brittle and more easily removed

The following are some of the Icing effects on aircrafts: (1) Causes destructive vibration, (2) Hampers true instrument readings, (3) Maneuverability improved, (4) Flight controls jammed, (5) Saves more fuel, and (6) Improves pilot visibility . Which among the Icing effects are not true?

• 1,2 & 4

• 3, 5 & 6

• 2, 4 & 6

_________________ is most common to small components due to high amperage draw.

• Chemical Anti-Icing

• Thermal Pneumatic Anti-Icing

• Thermal Electric Anti- Icing