Engineering Duty Officer (EDO) Exam Questions and Answers 100% Pass

Engineering Duty Officer (EDO) Exam
Questions and Answers 100% Pass


Two fuel heaters located in MER1 and MER2, are capable of heating

fuel from 40 degrees F to 80 degrees F +_ 5 at a flow rate of how many

gallons per minute at what P S I G. -

[ANSWER]: 110 gallons per minute.




55 P S I G




QUESTION: What is the flash point for fuel oil? -

[ANSWER]: 140 degrees




QUESTION: What is FOTG -

[ANSWER]: Fuel alignment for GTG

,QUESTION: What are fuel pumps rated at? -

[ANSWER]: Slow 36 GPM




Fast 72 GPM




105 P S I




QUESTION: What is the fuel pump relief valve set to? -

[ANSWER]: 130 P S I G




QUESTION: Describe the fuel unloader valve. -

[ANSWER]: Regulates pressure back to the tank.




Fails shut.




LP air operated.

,Designed to maintain fuel pressure at 35 P S I G.




QUESTION: When do you bypass the fuel heater? -

[ANSWER]: In an emergency suction can be taken from storage tank

bypassing the fuel heater and purifier.




If JP-5 is to be used.




QUESTION: The fuel oil heater maintains header temp at what

temperature? -

[ANSWER]: 85 degrees F.




QUESTION: What does the fuel pre filter do? -

[ANSWER]: Remove sediment.

, QUESTION: What is the max DP for the fuel pre filter? -

[ANSWER]: 18.




QUESTION: What is quick heat? -

[ANSWER]: This is where the lube oil purification system to include

heater to both purify and heat the main lube oil system to 90 degrees.




QUESTION: When would you use quick heat? -

[ANSWER]: During very cold weather or when an emergency

underway must occur.




QUESTION: What are the temperatures for the chill box and freeze

box? -

[ANSWER]: Chill box is 33 to 36 degrees.




Freeze box is 0 to 5 degrees.