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ABF Quality Assurance

Question 1 of 36

1

How are petroleum fuels in liquid form compared to water?

Select one of the following:

  • They weigh the same as water at 60 degrees Fahrenheit

  • They are heavier than air

  • They are lighter than water

  • They weigh the same as air at 70 degrees Fahrenheit

Explanation

Question 2 of 36

1

Compared to air, petroleum fuels in vapor form have which of the following characteristics?

Select one of the following:

  • They weigh the same as air at 60 degrees Fahrenheit

  • They are heavier than air

  • They are lighter than air

  • They weigh the same as air at 70 degrees Fahrenheit

Explanation

Question 3 of 36

1

Petroleum fuel vapors remaining from a spill are extremely dangerous because of which factor?

Select one of the following:

  • They readily evaporate

  • They tend to remain close to the ground

  • They saturate porous material

  • They saturate the ground

Explanation

Question 4 of 36

1

Because of its high flash point, JP-5 is the only jet fuel authorized for fueling aircraft on navy ships. When JP-8 is mixed with JP-5, what happens?

Select one of the following:

  • The flash point of JP-8 raises and it becomes safe for shipboard use

  • The flash point of JP-5 is lowered and it becomes unsafe for shipboard use

  • A chemical reaction takes place that makes both fuels unusable

  • Based on the amount of each fuel in the mixture, either JP-6 or JP-7 is created

Explanation

Question 5 of 36

1

What is the minimum flash point of JP-5?

Select one of the following:

  • 128 Degrees Fahrenheit

  • 130 Degrees Fahrenheit

  • 140 Degrees Fahrenheit

  • 142 Degrees Fahrenheit

Explanation

Question 6 of 36

1

If rags or clothing become soaked with JP-5, the JP-5 becomes highly flammable. What term describes this action?

Select one of the following:

  • Saturation

  • Wicking

  • Candling

  • Soaking

Explanation

Question 7 of 36

1

Specific gravity determinations are correlated to what temperature according to ASTM standard D1250-80?

Select one of the following:

  • 45 Degrees Fahrenheit

  • 100 Degrees Fahrenheit

  • 75 Degrees Fahrenheit

  • 60 Degrees Fahrenheit

Explanation

Question 8 of 36

1

What is the measure of a liquid's resistance to flow called?

Select one of the following:

  • Volatility

  • Solvency

  • Flash point

  • Viscosity

Explanation

Question 9 of 36

1

What is the minimum percentage of gasoline vapor, by volume, for it to burn or explode?

Select one of the following:

  • 1%

  • 3%

  • 5%

  • 6%

Explanation

Question 10 of 36

1

What term describes the lowest temperature at which fuel vaporizes enough to form a combustible vapor?

Select one of the following:

  • Freezing point

  • Flash point

  • Auto-ignition temperature

  • Boiling point

Explanation

Question 11 of 36

1

Why is a fuel spill on an asphalt surface more damaging than a fuel spill on a concrete surface?

Select one of the following:

  • The vapors will spread faster on the asphalt surface

  • The asphalt surface will lose its color

  • The fuel will dissolve the asphalt surface

  • The asphalt will react to the fuel and spontaneously combust

Explanation

Question 12 of 36

1

What is the NATO number for JP-5?

Select one of the following:

  • F-40

  • F-42

  • F-46

  • F-44

Explanation

Question 13 of 36

1

What does the prolonged inhalation of fuel vapors cause?

Select one of the following:

  • Dizziness, nausea, death

  • Vertigo

  • Cancer

  • Leukemia

Explanation

Question 14 of 36

1

From the standpoint of fire and explosion, which fuel is the safest?

Select one of the following:

  • MOGAS

  • JP-8+100

  • JP-5

  • JP-8

Explanation

Question 15 of 36

1

What visual standards must jet fuel meet to be acceptable for delivery to aircraft?

Select one of the following:

  • Clean and bright

  • Clear and free of water

  • Clear and sparkling

  • Clean and colorless

Explanation

Question 16 of 36

1

Which of the following is NOT a form of water contamination found in fuels?

Select one of the following:

  • Dissolved

  • Hanging

  • Entrained

  • Free

Explanation

Question 17 of 36

1

What are the most common types of sediment found in fuel?

Select one of the following:

  • Paint and rubber

  • Metal and rust

  • Rust and sand

  • Sand and metal

Explanation

Question 18 of 36

1

Which statement gives the description for entrained water?

Select one of the following:

  • Dissolved water absorbed in fuel that is NOT visible

  • Free water that has NOT settled to the bottom

  • Water-in-fuel emulsions

  • A mixture of fresh and salt water

Explanation

Question 19 of 36

1

The division between course and fine sediment is made at?

Select one of the following:

  • 1 micron

  • 10 microns

  • 100 microns

  • 1,000 microns

Explanation

Question 20 of 36

1

Which of the following is a description of microbiological growth in fuel?

Select one of the following:

  • Dark colored, fibrous, and stringy

  • Dark colored, fibrous, and ball shaped

  • Straw colored, mayonnaise-like, and stringy

  • Straw colored, mayonnaise-like, and ball shaped

Explanation

Question 21 of 36

1

The most common emulsion is the water-in-fuel emulsion. What does it look like?

Select one of the following:

  • A light-to-heavy cloud

  • A heavy-to-light cloud

  • A dark, reddish haze

  • A brown haze

Explanation

Question 22 of 36

1

Which mechanical method, if any, is used to separate commingled fuels?

Select one of the following:

  • Settling

  • Filtering

  • Centrifuging

  • None

Explanation

Question 23 of 36

1

A representative sampling of a large stock of packaged fuel revealed contamination sufficient to make the entire supply suspect. Further samples are taken, labeled, and sent to be tested. What were the first and subsequent samples taken?

Select one of the following:

  • A composite sample, and the others were routine samples

  • A routine sample, and the others were special samples

  • A routine sample, and the others were composite samples

  • A special sample, and the others were routine samples

Explanation

Question 24 of 36

1

If adjustment of the light bulb holder is required, what position should the filament on the light bulb be in after the adjustment is made?

Select one of the following:

  • Up

  • Down

  • Vertical

  • Horizontal

Explanation

Question 25 of 36

1

Fuel sample containers used for sediment and water tests must be made of what construction?

Select one of the following:

  • Glass with metal top

  • A nonmetallic material with glass linings

  • Glass bottle with nonmetallic top

  • Metal with glass linings

Explanation

Question 26 of 36

1

Why should two millipore filters be used when a sediment test is conducted?

Select one of the following:

  • To increase the speed of filtration

  • In case one is ripped or torn during the filtration cycle

  • To allow sediment to be trapped between the two

  • To eliminate any fuel color effect and it increases accuracy

Explanation

Question 27 of 36

1

When preparing to conduct a sediment test with the CCFD, you should fill the polyethylene bottle with how much fuel?

Select one of the following:

  • 500 ml

  • 600 ml

  • 700 ml

  • 800 ml

Explanation

Question 28 of 36

1

What is the main function of the water detection component of the CCFD?

Select one of the following:

  • To measure free water

  • To measure dissolved water

  • To detect salt water

  • To detect fresh water

Explanation

Question 29 of 36

1

A sample tested indicates that more than 20 ppm water is present. What additional test must you perform?

Select one of the following:

  • Test a second standard sample and double the results

  • Test another standard sample in the same manner to verify the accuracy of the first sample, and then log the results

  • Test a second sample one-half the size of the standard sample and double the results

  • Test another standard sample and divide the results by 2

Explanation

Question 30 of 36

1

What method does the NAVIFLASH flash point tester use to ignite combustible vapors?

Select one of the following:

  • Open flame

  • Electric spark

  • Heat sensor

  • Thermo imaging

Explanation

Question 31 of 36

1

What does FSII mean?

Select one of the following:

  • Fuel system initial installation

  • Fuel system internal instruments

  • Fuel system icing inhibitor

  • Fuel system internal inhibitors

Explanation

Question 32 of 36

1

What type of light source, if any, should you use when operating the refractometer?

Select one of the following:

  • Fluorescent or incandescent bulb

  • Natural sunlight

  • Ultra-violet

  • None

Explanation

Question 33 of 36

1

After adding 2 ml of water to the fuel for a FSII test, how long must the sample then be shaken?

Select one of the following:

  • 1 min

  • 2 min

  • 3 min

  • 4 min

Explanation

Question 34 of 36

1

What is the minimum use level for USN and USMC aircraft that require FSII?

Select one of the following:

  • .01%

  • .02%

  • .03%

  • .04

Explanation

Question 35 of 36

1

What instrument is used to measure the specific gravity of petroleum products?

Select one of the following:

  • Handimeter

  • Beaker

  • Gravity gage

  • Hydrometer

Explanation

Question 36 of 36

1

To be acceptable for delivery to aircraft, jet fuels must NOT contain how much free water?

Select one of the following:

  • 10 ppm

  • 15 ppm

  • 2 mg/l

  • 5 mg/l

Explanation

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