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Aircraft Ancillary Equipment > Gaseous > Flashcards

Gaseous Flashcards

1
Q

What are the high and low pressure ranges?

A

High pressure 0-34.5bar (0-500psi)

Low pressure 0-2bar (0-30psi)

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2
Q

Who maintains a oxygen walk around kit?

A

Eng Tech A

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3
Q

What should you never do when filling up a portable charging unit?

A

Never fill with a gas other than that stated

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4
Q

What are examples of unacceptable cracks on the cylinder?

A

Deep cracks

Cracks in main body

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5
Q

What are examples of acceptable cracks on the cylinder?

A

Minor cracks in resin
Around base plug
Along edge of label
Edge of neck

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6
Q

What size do cuts and abrasions need to be under to be acceptable?

A

0.25mm

Unless it causes unravelling fibres

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7
Q

With the oxygen/nitrogen walk around kits, what is the maximum charge pressure?

A

280 bar

Between 15degrees and 48degrees

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8
Q

What is the type code for oxygen?

A

XFR

GREEN

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9
Q

What is the type code for nitrogen?

A

XFS

BLACK

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10
Q

What is the type code for air?

A

XFT

AIR

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11
Q

What can the 4 cylinder gas charging trolley charge up to?

A

300bar

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12
Q

What is the life of a type z cylinder? Which is fitted to MK3 charging trolley.

A

10years

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13
Q

What are the in service life’s and shelf life’s of the oxygen nitrogen and air cylinder?

A

All 3 are 5 years in service life

Oxygen - shelf life unlimited
Nitrogen - shelf life 5 years
Air - shelf life 5 years

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14
Q

What is each fitted to every cylinder hose?

A

Nevoc valves

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15
Q

What is the point in purging?

A

Purging rep moves possible moisture from regulators and hose

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16
Q

What is the in service life of a portable charging unit

A

60 months

17
Q

Is discolouration acceptable ?

A

Yes, light discolouration

18
Q

What is the pressure regulated by?

A

Balance between force applied by loading spring and force by outlet pressure acting over the area of the diaphragm

Aircraft Ancillary Equipment (7 decks)

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