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avit 102 > Block 3 > Flashcards

Block 3 Flashcards

1
Q

What are the Four Cycles of an Engine?

A

Intake, Compression, Combustion, Exhaust

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2
Q

Wet Sump vs. Dry Sump
What does the Piper Archer Have?

A

-Wet Sump- Gravity fed, stored in oil pan
-Dry Sump- Pump fed, stored in external reservoir
- Archer has a Wet Sump

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3
Q

What are Magnetos and How many does the Archer have?

A

-Generates electricity for spark plugs (distributes at prop line)
- 2 Magnetos

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4
Q

What are Spark Plugs and How Many Does the Archer Have?

A

-Ignite the Air/ Fuel Mixture Inside an Engine
- Archer Has 8 (4 Per magneto)

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5
Q

Why and When Would You Lean Mixture?

A

-Why: Fuel Ratio Must Remain at 14:7:1 Ratio
-When: Operating at Altitudes higher than 3,000 msl

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6
Q

What Does the Fuel Injection System Do?
Advantages and Disadvantages

A

-Spray fuel directly into intake manifold at cylinders
- Advan.: Better Cold starts, Improved performance, More efficient fuel dis.
-Disadvan.: Vapor locks, plugged injectors

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7
Q

What is Vapor Lock?

A

Difficulty Starting the engine when hot

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8
Q

What is Carburetor Ice? Solution?

A
  • When Air passes through the carburetor (Bernoulli Priciple) and the air naturally freezes to the sides.
  • Solution: Carburetor Heat
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9
Q

Signs of Carburetor Icing (3)

A
  • Reduction in RPM
  • Engine Roughness
  • Fuel Starvation
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10
Q

Purpose of Oil (5) LCCSA

A
  • Lubrication
  • Cooling
  • Cleaning
  • Sealing
  • Actuating
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11
Q

What Kind of Engine Does the Piper Archer Have?
What does IO-360 stand for?

A
  • Lycoming 4-cylinder IO-360
  • Fuel injected Air cooled
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12
Q

What are the Different Types of Props? (4) (FACC)

A
  • Fixed Pitch (UND climb & cruise combo)
  • Adjustable: changed on the ground
  • Controllable: changed in flight
  • Constant Speed: changes based on RPM
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13
Q

What is Blade Twist?

A

Compensates for the outer part of the blade travels a greater distance than the inside does.

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14
Q

Fuel Colors and Grade

A
  • Red- 80
  • Green- 100/130
  • Blue- 100LL
  • Clear- Jet Fuel
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15
Q

What does the Fuel Selector Do?

A

Allows to change fuel tanks for operation uses.

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16
Q

What is Pre-Ignition? Caused by?

A
  • Ignition caused in advance of normal power stroke
  • hot spots, overheated spark plugs, high power excessive lean mixture.
17
Q

What is Detonation?

A
  • Occurs when the fuel/air mixture explodes in cylinder
18
Q

What Should You Do When You Have a High Temp. Engine? (3)

A
  • Level Off
  • Reduce Power
  • Reduce Mixture
19
Q

Purpose of Battery? Volts Required?

A
  • Provides power to start aircraft
  • Backup power
  • 24 Volts
20
Q

Purpose of Alternator? Volts & amp?

A
  • Mechanical action that creates charge during flight
  • 28 Volts 70 amps
21
Q

What does Ammeter Do?

A

Shows battery rate of charge

22
Q

What does the Loadmeter do?

A

Indicates total electrical load on system at any given time

23
Q

How much fuel can be stored in the Piper archer?

A
  • 50 Gallons, 48 usable, 2 unusable
24
Q

What are The Dangers of Using Heating Systems (2)

A
  • Carbon Monoxide
  • Fire
25
Q

What are the Petostatic Instruments? (AAV)

A
  • Airspeed Indicator
  • Altimeter
  • Vertical Speed Indicator
26
Q

What are the Gyro Instruments? (AHT)

A
  • Attitude Indicator
  • Heading Indicator
  • Turn Coordinator
27
Q

Types of Airspeed & Definition: (ICT)

A
  • Indicated Airspeed: read directly off instrument
  • Calibrated Airspeed: IAS corrected for installation and errors
  • True Airspeed: CAS corrected for non-standard temp. & pressure.
28
Q

Types of Altitudes (IAT) & Definition

A
  • Indicated: read from instrument
  • Absolute: Height above terrain
  • True: Height above sea level
29
Q

Magnetic Compass errors

A
  • Acceleration Errors: Heading East or West
  • Lagging North & Leading South
30
Q

What is Magnetic Variation

A

Angular difference between True North and Magnetic North

31
Q

What is a Normally Aspersted Engine?

A
  • internal combustion which air intake depends solely on atmospheric pressure.
32
Q

What is Vertical Speed Indicator? Erros?

A
  • As the altitude changes, the pressure changes
  • 6-9 second lag
33
Q

What is rigidity in Space?

A

When spinning at a high rate the gyro will maintain its orientation in space.

34
Q

Annual Inspection of Piper archer (Hour & Calendar)

A
  • 12 calendar months (end of month)
  • 100 hours
  • 10 hour overfly
35
Q

Transponder inspection limits

A
  • 24 calendar months
36
Q

ELT inspection limits

A

Within 12 calendar months

avit 102 (10 decks)

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