2024-2025 Aviation II Sem 2 Post Assessment

Which events occur during a four-stroke reciprocating engine cycle? Select all that apply. (7.A.1)

• A fuel and air mixture is converted into oxygen.
• A fuel and air mixture is sucked into the cylinder through the intake valve.
• A fuel and air mixture is ignited.
• A fuel and air mixture is ejected through the exhaust valve.
• A fuel and air mixture is compressed.

What first step should be taken during an electrical fire during flight? (8.A.2)

• Turn off all interior lights.
• Land immediately.
• Turn off the master switches.
• Extinguish the fire, if possible.

Which of the following is NOT true of a cruise propeller? (7.A.2)

• They have a higher pitch.
• They produce lower RPM.
• They are more effective at higher power.
• They are more efficient for long-range cruising.

Which of the following would decrease the propeller pitch? (7.A.2)

• The pilot increases propeller RPM.
• The pilot makes a 1 G turn.
• The pilot uses the elevator to change the pitch.
• The pilot goes from a climb to cruising altitude.

A carburetor mixes fuel and air before sending it to the intake manifold while a fuel injection system delivers fuel and air __________. (7.A.3)

• directly to the intake valve
• directly to the cylinder
• directly to the fuel pump
• directly to the carburetor

For UAS, fuel may take the form of __________. Select all that apply. (7.C.1)

• compressed air
• batteries
• liquid fuel
• fuel cells
• hot air

__________ occurs when the correct fuel is used for the engine type and when the spark plugs are precisely timed. (7.A.4)

• Normal combustion
• Detonation
• Pre-ignition
• All of the above

In which in-flight emergency would a pilot immediately need to reduce the airplane’s altitude? (8.B.1)

• Uneven fuel tank balance
• Hazardous storm conditions
• Electrical fire
• Explosive decompression

A supercharger _________. (7.A.5)

• adds no additional load on the engine
• is more efficient than a turbocharger
• has a lower throttle response than a turbocharger
• is less efficient than a turbocharger

Which of the following lists the 5 stages of a jet engine in the correct order? (7.B.1)

• intake, turbine, combustor, exhaust, compressor
• turbine, intake, combustor, compressor, exhaust
• intake, compressor, combustor, turbine, exhaust
• intake, turbine, combustor, compressor, exhaust