Inspect Fuel Tanks

Question 1

What is the function of the sump in a fuel tank?

Answer 1

To collect water and contaminants and will have a drain to remove them

Question 2

What are the three different types of fuel tanks?

Answer 2

Built-up tanks, integral tanks, and bladder tanks

Question 3

What problem can occur in a bladder tank with blocked vent?

Answer 3

As internal tank pressure decreases, the pressure differential between the atmosphere and the tank can cause the tank restraints to fail and the tank can collapse and block the fuel outlet

Question 4

How do you prepare an aluminum fuel tank for welding?

Answer 4

Remove all fuel and thoroughly wash the tank, inside and out, with hot water and detergent. The tank should be purged with live steam for at least 30 minutes to remove all residual fuel and vapors

Question 5

After welding an aluminum fuel tank, what pressure should the tank be tested with?

Answer 5

3.5 psi