Fuel Systems

Question 1

What is fuel tested for?

Answer 1

1. Water
2. Dirt
3. Surfactants

Question 2

Reasons for fuel testing?

Answer 2

1. Good quality fuel is clear
2. Salt can cause corrosion
3. Water can encourage MBG (micro biological growth)
4. Dirt can clog filters

Question 3

What is the Fuel colour test?

Answer 3

‘Lovibond colour comparator’ - darker fuel is older

Question 4

list the Hazards and safe working practices

Answer 4

1. Fire/Explosion
2. Toxicity
3. Dermatitis
4. Pollution

Question 5

List the types of ways fuel can be supplied to ships

Answer 5

• Ras
• Barge
• Jetty storage tanks
• Tanker
• Direct jetty pipeline

Question 6

explain RAS

Answer 6

everyone is involved, most dangerous because ships get close

Question 7

Bowser refuelling..

Answer 7

Safer and more controlled method

Question 8

Filling truck..

Answer 8

Controlled method of bringing on fuel

Question 9

Displaced tanks

Answer 9

• Kept at 90% for stability
• As fuel is added sea water is taken out
• Don’t go over 90% or fuel could spill out

Question 10

Salt water gravity tank

Answer 10

• Header tank
• Constant supply of S/W to maintain levels in displaced tanks

Question 11

Why replace fuel with water?

Answer 11

The ship could sit too high in the water and capsize