Final Exam Review Flashcards

1
Q

Where is the float bowl in relation to the discharge nozzle?

A

Float bowl is below the discharge nozzle to prevent seepage

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2
Q

What causes fuel to leave float bowl?

A

Differential pressure

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3
Q

What does the airbleed do on the carb?

A

Assists with atomization, provides an extra boost to fuel

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4
Q

On a pressure carb, where is the discharge nozzle located?

A

Downstream of the venturi

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5
Q

The compressor on a supercharger is driven by what?

A

The engine

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6
Q

What best describes critical altitude?

A

The highest altitude for the rated horsepower

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7
Q

How does the wastegate actuate?

A

Spring tension open/Oil Pressure closed

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8
Q

Where is upper deck pressure measured?

A

Between compressor discharge and throttle plate

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9
Q

On a continental engine, where is upper deck pressure used?

A

Sonic Venturi
Fuel nozzles
Magnetos
Fuel Pump

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10
Q

If you have a leaky diaphragm, how would you know?

A

Fuel stains on fuel vent

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11
Q

Which system limits manifold pressure at full throttle?

A

APC

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12
Q

Which system limits manifold pressure at other throttle settings?

A

VAPC

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13
Q

Which system keeps differential pressure below 2.2x?

A

Pressure Ratio Controller

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14
Q

What is the main limitation with short stack exhaust systems?

A

Sideslips may cause thermal shocking in the exhaust valve and guide (cracking)

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15
Q

Which limits do we refer to when doing a bulk inspection?

A

Service Limits

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16
Q

What do we use when checking the crankshaft for runout?

A

Dial indicator

17
Q

At what engine speed do we perform a live mag check?

A

Idle

18
Q

At what engine speed do we perform a mag drop test?

A

1700 RPM

19
Q

Why do we perform a cold cylinder check?

A

One cylinder is not operating properly

20
Q

How do we adjust valve clearances on engines with hydraulic lifters?

A

Using different sized push rods

21
Q

If the points in a magneto don’t open, what does that indicate?

A

Dead magneto

22
Q

The cable on prop governors have a failsafe/default, what would it be?

A

Full fine

23
Q

How does the shower of sparks delay start?

A

Advance points are grounded on start-up, retard points are used until the coming in speed

24
Q

Which part of the exhaust assembly is used for carb and cabin heat?

A

Heat muff

25
Q

How do you ensure valve and seat have a proper seat?

A

Valve lapping compound after grinding face and seat