Week 19 (Review)

Question 1

What catches any spilled oil during servicing and safely route to engine drain mast?

Answer 1

Oil Scupper

Question 2

What is the ideal time of getting a sample of oil?

Answer 2

5-30 mins after shutdown

Question 3

Filters are rated in?

Answer 3

Microns

Question 4

DURING A TYPICAL TURBINE OIL FILTER BOWL INSPECTION.

WHAT DOES THE “RED” Indicator mean?

Answer 4

The filter is clogged.

Question 5

What is the purpose of the fuel/oil heat exchanger?

Answer 5

to cool the Oil by transferring the heat to the cold fuel (and warming the fuel).

Question 6

The FUEL/OIL Heat exchanger 3 Modes of operation

Answer 6

Hot, Cold, and Differential Pressure Bypass mode

Question 7

3 types of thrust reversers

Answer 7

Bucket door
Clamshell
Cascade

Question 8

Which device prevents the Engine Throttle Levers from moving in the Thrust Reverser system?

Answer 8

Thrust Reverser Interlock mechanism

Question 9

What are the main components of an exhaust duct?

Answer 9

Cone Assembly
Duct
Nozzle

Question 10

4 different FCU designs

Answer 10

Hydro-Mechanical
Hydro-Pneumatic
Supervisory EEC
FADEC

Question 11

the 2 primary FCU tasks

Answer 11

Fuel Computing and Fuel Metering

Question 12

The heart of the FADEC system

Answer 12

Electronic Engine Control (EEC)/ Electronic Control Unit (ECU)

Question 13

2 primary designs of fuel nozzles

Answer 13

SIMPLEX and DUPLEX

Question 14

has a single fuel supply line to the nozzle … but depending on design can produce either 1 conical spray or 2 conical spray

Answer 14

Simplex

Question 15

has 2 supply lines and 2 spray patterns at the fuel nozzle

Answer 15

Duplex

Question 16

What is the purpose of the Wing Shut-off Valve(aka Spar valve)?

Answer 16

Shuts off fuel at the wing tank source

Question 17

What is the purpose of fuel filter diff pressure bypass switch?

Answer 17

Switch closes when filter is clogged to illuminate a Warning Light in flight deck

Question 18

What does TBO stands for?

Answer 18

Time Before Overhaul

Question 19

What does TSO stands for?

Answer 19

Time Since Overhaul

Question 20

What does TTSN stands for?

Answer 20

Total Time Since New

Question 21

Define a 1 complete cycle in 3 words

Answer 21

Engine Start, Run & Shutdown

Question 22

_____ is caused by imbalanced rotors, internal damage or worn bearings and parts

Answer 22

Vibration