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Test Kit > Test Kit > Flashcards

Test Kit Flashcards

1
Q

Ccfd

A

Combined contamination detection kit

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2
Q

What does the ccfd do ?

A

Determines amount of solid contamination in aviation fuel

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3
Q

Ccfd

How is it measured ?

A

Using principle of light transmission through a .65 membrane filter (microne filter)

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4
Q

How many filters are there in the ccfd ? And what are they?

A

2, and the
1st one is used to trap solids and color effect
2nd one is used to only trap fuel color effect

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5
Q

What is fwd ?

A

Free water detector

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6
Q

What does the fwd determine ?

A

Determines amount of free water in aviation fuel

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7
Q

Fwd

How is it measured ?

A

It’s measured by the reaction of un-dissolved water and sodium fluorescents , produces yellow-green fluorescent light under uv light

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8
Q

Fwd standard is ?

A

0,5,10, and 20

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9
Q

How many filter pads in the fwd?

A

One filter pad only

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10
Q

Components of ccfd

A
  1. control panel
  2. 32oz sample bottle
  3. filter holder assembly
  4. photocell
  5. filter slide
  6. lcd multimeter
  7. tygon drain tube
  8. drain cock
  9. polytheric 16oz bottle
  10. potentiometer knob
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11
Q

Control panel for ccfd

A

Has four switches
Vacuum pump
LCD multimeter screen
Ultra violet light

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12
Q

32 oz sample bottle

A

Holds 800ml for ccfd (COMBINED 8 letters)

Holds 500ml for fwd (WATER 5 letters)

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13
Q

Filter holder assembly

A 
Holds 2 mili pads , 
Used with a 32oz bottle 
Consists of : filter base 
Stopper 
Bottle receiver
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14
Q

Photocell

A

Holds the light transmission system

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15
Q

Filter slide

A

Holds the filter in place

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16
Q

LCD millimeter

A

Measures the decrease in light transmission, digital display with 3-digit reading

17
Q

Tygon drain tube

A

Insterted before test

Allows pre filtered fuel to drain

18
Q

Drain cock

A

Point where fuel leaves fuel flask

The handle has “open” and “closed”

19
Q

Polyethylene 16oz bottle

A

Used to wet the .65 filter

20
Q

Potentiometer knob

A

Adjusts millimeter reading

21
Q

How often do you check the cfd?

A

Every 3 months or if any part is replaced

22
Q

What do each calibration curve represent ?

A

Each one shows difference in millimeter readings and contamination in fuel

23
Q

When calibrating what should the potentiometer be adjusted to ?

A

To a steady reading of 600mg

24
Q

No more than 2 mg/l is pass more is fail

A

No fuel needed to calibrate

25
Q

When do you calibrate the fwd ?

A

Every 180 days or if it Is damaged or un readable

26
Q

Is there any fuel needed to Calibrate the fwd ?

A

No

27
Q

What are the 4 tests done with sample ?

A 
Cfd 
Fwd 
Visual inspection 
And 
Free water
28
Q

When is the sample taken at?

A

When operating at normal flow NOT at static

Test Kit (1 decks)

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