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Study questions for the advancement exams.

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ABF Quality Assurance

ABF Quality Assurance

Questão 1 de 36

1

How are petroleum fuels in liquid form compared to water?

Selecione uma das seguintes:

  • 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

Explicação

Questão 2 de 36

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 3 de 36

1

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

Selecione uma das seguintes:

  • They readily evaporate

  • They tend to remain close to the ground

  • They saturate porous material

  • They saturate the ground

Explicação

Questão 4 de 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?

Selecione uma das seguintes:

  • 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

Explicação

Questão 5 de 36

1

What is the minimum flash point of JP-5?

Selecione uma das seguintes:

  • 128 Degrees Fahrenheit

  • 130 Degrees Fahrenheit

  • 140 Degrees Fahrenheit

  • 142 Degrees Fahrenheit

Explicação

Questão 6 de 36

1

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

Selecione uma das seguintes:

  • Saturation

  • Wicking

  • Candling

  • Soaking

Explicação

Questão 7 de 36

1

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

Selecione uma das seguintes:

  • 45 Degrees Fahrenheit

  • 100 Degrees Fahrenheit

  • 75 Degrees Fahrenheit

  • 60 Degrees Fahrenheit

Explicação

Questão 8 de 36

1

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

Selecione uma das seguintes:

  • Volatility

  • Solvency

  • Flash point

  • Viscosity

Explicação

Questão 9 de 36

1

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

Selecione uma das seguintes:

  • 1%

  • 3%

  • 5%

  • 6%

Explicação

Questão 10 de 36

1

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

Selecione uma das seguintes:

  • Freezing point

  • Flash point

  • Auto-ignition temperature

  • Boiling point

Explicação

Questão 11 de 36

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 12 de 36

1

What is the NATO number for JP-5?

Selecione uma das seguintes:

  • F-40

  • F-42

  • F-46

  • F-44

Explicação

Questão 13 de 36

1

What does the prolonged inhalation of fuel vapors cause?

Selecione uma das seguintes:

  • Dizziness, nausea, death

  • Vertigo

  • Cancer

  • Leukemia

Explicação

Questão 14 de 36

1

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

Selecione uma das seguintes:

  • MOGAS

  • JP-8+100

  • JP-5

  • JP-8

Explicação

Questão 15 de 36

1

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

Selecione uma das seguintes:

  • Clean and bright

  • Clear and free of water

  • Clear and sparkling

  • Clean and colorless

Explicação

Questão 16 de 36

1

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

Selecione uma das seguintes:

  • Dissolved

  • Hanging

  • Entrained

  • Free

Explicação

Questão 17 de 36

1

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

Selecione uma das seguintes:

  • Paint and rubber

  • Metal and rust

  • Rust and sand

  • Sand and metal

Explicação

Questão 18 de 36

1

Which statement gives the description for entrained water?

Selecione uma das seguintes:

  • 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

Explicação

Questão 19 de 36

1

The division between course and fine sediment is made at?

Selecione uma das seguintes:

  • 1 micron

  • 10 microns

  • 100 microns

  • 1,000 microns

Explicação

Questão 20 de 36

1

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

Selecione uma das seguintes:

  • Dark colored, fibrous, and stringy

  • Dark colored, fibrous, and ball shaped

  • Straw colored, mayonnaise-like, and stringy

  • Straw colored, mayonnaise-like, and ball shaped

Explicação

Questão 21 de 36

1

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

Selecione uma das seguintes:

  • A light-to-heavy cloud

  • A heavy-to-light cloud

  • A dark, reddish haze

  • A brown haze

Explicação

Questão 22 de 36

1

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

Selecione uma das seguintes:

  • Settling

  • Filtering

  • Centrifuging

  • None

Explicação

Questão 23 de 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?

Selecione uma das seguintes:

  • 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

Explicação

Questão 24 de 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?

Selecione uma das seguintes:

  • Up

  • Down

  • Vertical

  • Horizontal

Explicação

Questão 25 de 36

1

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

Selecione uma das seguintes:

  • Glass with metal top

  • A nonmetallic material with glass linings

  • Glass bottle with nonmetallic top

  • Metal with glass linings

Explicação

Questão 26 de 36

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 27 de 36

1

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

Selecione uma das seguintes:

  • 500 ml

  • 600 ml

  • 700 ml

  • 800 ml

Explicação

Questão 28 de 36

1

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

Selecione uma das seguintes:

  • To measure free water

  • To measure dissolved water

  • To detect salt water

  • To detect fresh water

Explicação

Questão 29 de 36

1

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

Selecione uma das seguintes:

  • 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

Explicação

Questão 30 de 36

1

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

Selecione uma das seguintes:

  • Open flame

  • Electric spark

  • Heat sensor

  • Thermo imaging

Explicação

Questão 31 de 36

1

What does FSII mean?

Selecione uma das seguintes:

  • Fuel system initial installation

  • Fuel system internal instruments

  • Fuel system icing inhibitor

  • Fuel system internal inhibitors

Explicação

Questão 32 de 36

1

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

Selecione uma das seguintes:

  • Fluorescent or incandescent bulb

  • Natural sunlight

  • Ultra-violet

  • None

Explicação

Questão 33 de 36

1

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

Selecione uma das seguintes:

  • 1 min

  • 2 min

  • 3 min

  • 4 min

Explicação

Questão 34 de 36

1

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

Selecione uma das seguintes:

  • .01%

  • .02%

  • .03%

  • .04

Explicação

Questão 35 de 36

1

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

Selecione uma das seguintes:

  • Handimeter

  • Beaker

  • Gravity gage

  • Hydrometer

Explicação

Questão 36 de 36

1

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

Selecione uma das seguintes:

  • 10 ppm

  • 15 ppm

  • 2 mg/l

  • 5 mg/l

Explicação

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