B767 Engines & APU Exam Questions and
Answers 100% Pass
What type of engines do we have? - ✔✔General Electric CF6-80C2B6F
engines
How many pounds of takeoff thrust? - ✔✔60,200 pound on each engine
What is our primary thrust parameter? - ✔✔N1 controlled by an EEC
During engine start, what is the recommended optimum duct pressure? -
✔✔21 psi with the start valve open
What system inputs the thrust management computer (TMC)? - ✔✔The air
data computer
The pneumatic starter is connected to N1 or N2? - ✔✔N2
Maximum assumed temperature takeoff thrust is limited to? - ✔✔25% from
the amber indicator
1
100% Pass Guarantee Katelyn Whitman, All Rights
, What protection do we get from the EEC? - ✔✔Overspeed and overboost
protection
What is overspeed? - ✔✔Is either when rotor N1 or N2 is spinning to fast
so in order to control it fuel trimming happens with the fuel metering unit
What is overboost? - ✔✔Is an exceed of rated thrust that the engine can
produce and is solved with trimming fuel with the fuel metering system.
What protection do we have on alternate mode? - ✔✔Only overspeed
protection
What is the soft transition regarding the EEC? - ✔✔When the EEC system
automatically goes to alternate
What is the hard transition regarding the EEC? - ✔✔When we manually
select ALTN mode.
What power source does the EEC use? - ✔✔It's is own power source (PMA)
What normally provides the operating pressure for the Thrust Reverser on
the GE B6F engine? - ✔✔Pneumatic actuated, the EEC controls thrust limits
2
100% Pass Guarantee Katelyn Whitman, All Rights
Answers 100% Pass
What type of engines do we have? - ✔✔General Electric CF6-80C2B6F
engines
How many pounds of takeoff thrust? - ✔✔60,200 pound on each engine
What is our primary thrust parameter? - ✔✔N1 controlled by an EEC
During engine start, what is the recommended optimum duct pressure? -
✔✔21 psi with the start valve open
What system inputs the thrust management computer (TMC)? - ✔✔The air
data computer
The pneumatic starter is connected to N1 or N2? - ✔✔N2
Maximum assumed temperature takeoff thrust is limited to? - ✔✔25% from
the amber indicator
1
100% Pass Guarantee Katelyn Whitman, All Rights
, What protection do we get from the EEC? - ✔✔Overspeed and overboost
protection
What is overspeed? - ✔✔Is either when rotor N1 or N2 is spinning to fast
so in order to control it fuel trimming happens with the fuel metering unit
What is overboost? - ✔✔Is an exceed of rated thrust that the engine can
produce and is solved with trimming fuel with the fuel metering system.
What protection do we have on alternate mode? - ✔✔Only overspeed
protection
What is the soft transition regarding the EEC? - ✔✔When the EEC system
automatically goes to alternate
What is the hard transition regarding the EEC? - ✔✔When we manually
select ALTN mode.
What power source does the EEC use? - ✔✔It's is own power source (PMA)
What normally provides the operating pressure for the Thrust Reverser on
the GE B6F engine? - ✔✔Pneumatic actuated, the EEC controls thrust limits
2
100% Pass Guarantee Katelyn Whitman, All Rights
