Engines FCC class

Multiple Select

Which of the following are one of the major modules of the F117 engine?

• Low-Pressure Compressor (LPC)

• Diffuser and Combustion Chamber

• Exhaust Case

• Fuel Pump

Fill in the Blank

The first stage of the Low Pressure Compressor consists of a fan ___ inches in diameter.

Multiple Choice

How many stages of compression are present in the High Pressure Compressor (N2) of the F117 engine?

• 5

• 12

• 17

• 24

Open Ended

Describe the role of the diffuser in the combustion process within the F117 engine.

Multiple Choice

What is the primary function of the High Pressure Turbine (HPT) in a jet engine?

• To supply turning force for the high-pressure compressor

• To supply turning force for the low-pressure compressor

• To drive the gearbox assembly

• To control the electronic engine control

Multiple Choice

How many total stages are there in the turbine section of the engine, and how are they distributed between the HPT and LPT?

• Seven stages total: two in HPT, five in LPT

• Five stages total: two in HPT, three in LPT

• Seven stages total: three in HPT, four in LPT

• Six stages total: three in HPT, three in LPT

Open Ended

List three accessory components that are connected and driven by the gearbox assembly.

Fill in the Blank

The EEC has two channels, A and B. The A channel is comprised of ___ wires, while the B channel is comprised of ___ wires.

Multiple Choice

Which of the following statements best describes the purpose of the Electronic Engine Control (EEC)?

• To monitor and control all engine functions, including fuel scheduling for all operational conditions

• To supply turning force for the high-pressure compressor

• To provide power to drive the engine and aircraft accessories

• To control the hydraulic pumps only

Multiple Select

Select all correct statements about the EEC's dual channel system.

• Each channel has its own processor and power supply

• Only one channel can control the engine at a time

• Both channels share the same input sensors

• The EEC output signals allow either channel to control the engine

Multiple Choice

What is the primary function of the EEC programming plug?

• To adapt the EEC to the engine configuration it is controlling

• To provide power to the EEC

• To monitor engine temperature

• To convert binary code to ohms

Multiple Select

Which of the following statements about the EEC electrical connectors are correct?

• There are 12 electrical connectors on the EEC

• Six connectors are blue and represent the 'A' channel

• The white connector allows interface through ARINC 429 Data link

• All connectors are located at the bottom

Open Ended

Explain the significance of combining blue (W1) and green (W2) wires to form the W34 harness in the EEC system.

Multiple Choice

Which parameter is NOT monitored by the W31 wiring harness?

• EGT

• HPT Temperature

• T3.5 (Temp at station 3.5)

• N2 RPM

Fill in the Blank

The W31 wiring harness uses the ___ wire to allow the EEC to receive temperature readings.

Multiple Choice

At what N2 percentage does the EEC alternator (PMA) begin providing power to the EEC?

• Above 5%

• Above 10%

• Above 15%

• Above 20%

Multiple Choice

What is the primary function of the EEC alternator (PMA) in the aircraft engine system?

• To provide electrical power to the EEC

• To store oil for lubrication

• To regulate fuel temperature

• To cool the engine oil

Multiple Select

Which of the following are features or functions of the oil tank in the engine oil system?

• Mounted to the fan exit case at approx. 7:00 position

• Storage of oil supply

• Pressurized hot tank

• Delivers oil to 5 bearings

Open Ended

Explain how the oil tank pressurization valve contributes to the operation of the engine oil system.

Fill in the Blank

The maximum oil quantity readout on the MFD is ___ quarts.

Multiple Choice

What is the purpose of the lube and scavenge oil pump in the engine oil system?

• To deliver oil to engine bearings and scavenge used oil

• To heat the engine oil

• To store excess oil

• To regulate fuel temperature

Multiple Choice

What is the main purpose of the fuel oil heat exchanger in the engine oil system?

• To heat inter-stage fuel and cool engine/IDG oil

• To store oil for the engine

• To regulate oil pressure

• To deliver oil to bearings

Multiple Choice

Which of the following is NOT a focus area mentioned in the course objective for the C-17 Engine System?

• Corrosion Identification/control

• Foreign Object Damage prevention

• Engine Configuration

• Flight Crew Scheduling

Open Ended

Reflecting on the C-17 Engine System, what is one key aspect of safety or maintenance that you found most important during this session?