FOI Field Test CERTIFICATION QUIZ
After you have watched all FOI field test instructional videos, you can complete the certification quiz below. A passing certification requires a score of 80% or higher. If you encounter a problem or have any questions, you can contact us at info@foilab.com or call our customer support team at 800-546-4451
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How long should your 500PPM test vile sit before accurately reading your results? *
10 points
If the particles turn dark red or purple at the bottom of your 500PPM test vile, your diesel fuel has *
10 points
Many engine manufacturers require what standard of fuel quality to maintain warranty? *
10 points
To produce an accurate result in FOI's Microbial Detection test, your test vile should sit for at least: *
10 points
Microbial Detection: True or False, mold growth with no visible change in color reveals  *
10 points
True or False: The Acid Number fuel test vile should be shaken vigorously. *
10 points
In the Acid Number test, a change in color from blue to orange indicates the acid number is: *
10 points
The Acid Number test expires after how long? *
10 points
Your Etho Check sample should be allowed to settle for how long before reading your results? *
10 points
True or False, FOI's 500PPM, Microbial Detection, and Acid Number tests may be performed with biodiesel *
10 points
A copy of your responses will be emailed to .
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