Day 11 Progress Check

Question 1

What is a common field test for water contamination in fuel?

Answer 1

Dye test

Question 2

What is the most common contaminant in aircraft fuel systems?

Answer 2

Water

Question 3

What does a cloudy appearance in fuel often indicate?

Answer 3

Entrained water

Question 4

What is the primary method to prevent microorganism growth in fuel tanks?

Answer 4

Keep water from accumulating

Question 5

What should be done if significant metal particles are discovered in a fuel filter?

Answer 5

Investigate for a possible failing component upstream

Question 6

What color is the slime formed by microorganisms in fuel tanks?

Answer 6

Can be dark brown, grey, red, or black

Question 7

What is the first step if the wrong fuel is discovered in an aircraft before engine operation?

Answer 7

Drain all improperly filled tanks

Question 8

Which of the following is NOT a common type of fuel contaminant?

Answer 8

Oxygen

Question 9

What is the primary danger of surfactants in fuel?

Answer 9

They reduce the surface tension between water and fuel

Question 10

What is the maximum acceptable level of water in turbine engine fuel according to the common test kit mentioned?

Answer 10

15 ppm