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General > Ground Handling > Flashcards

Ground Handling Flashcards

1
Q

Name the two ways that liquid aviation fuels are classified:

A

Volatile and Non-volatile

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2
Q

What are the four grades of aviation gasoline?

A

80/87
100/130
100LL
115/145

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3
Q

What is aviation fuel usually made of?

A

Kerosene and AVGAS

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4
Q

Why is it important for static electricity to be discharged from the aircraft before fueling?

A

the static electricity in the airframe attempts to return to the ground through the fuel line causing a spark that can ignite any vaporized fuel

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5
Q

Three types of turbine fuels used in civilian aviation are:

A

Jet A, Jet A-1, Jet B

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6
Q

What is the distance required before fueling an aircraft within range of an operating radar?

A

500ft

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7
Q

Why should you never mix AVGAS and turbine fuel?

A

Adding jet fuel to AVGAS causes a decrease in power and could cause damage to the engine

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8
Q

What are three effects of microorganism in Jet fuel?

A
  1. Formation of slime and sludge
  2. Emulsification of the fuel
  3. Corrosive compounds that can attack the fuel tank structure
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9
Q

Do not refuel an aircraft if lightning is within how many miles?

A

5 miles

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10
Q

What color is 100 Low Lead gasoline?

A

Blue

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11
Q

What is the best way of controlling contamination in fuel?

A

prevent its introduction into the fuel system

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12
Q

Where on refueling equipment would a mechanic find information on the grade of gasoline onboard?

A

The color code band on piping and fueling equipment

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13
Q

What are the two types of Jet fuel?

A

Jet A and Jet B

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14
Q

How does Jet A differ from Jet B?

A

Jet A is made from kerosene
Jet B is a blend of Kerosene and AVGAS

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15
Q

If you had to mix AVGAS with jet fuel, what document would you consult with first?

A

Refer to the TCDS for the respective powerplant

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16
Q

How can entrained water be detected in Jet Fuel?

A

It gives the fuel a cloudy look

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17
Q

If a fuel sample is cloudy, what does this indicate?

A

That there is entrained water in the fuel

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18
Q

What is microbiological growth?

A

Microorganisms that can live in the free water in jet fuel

Needs water and warmth to grow

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19
Q

What effects does free water have on engine operation?

A

Ice crystals may form, clogging filters and other small orifices

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20
Q

Solid contaminants are what?

A

Contaminants that are insoluble in fuel

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21
Q

What are the most common types of solid contamination?

A

Rust, dirt, sand, gasket material, lint, and fragments of shop towels

22
Q

When servicing oxygen, why is it important to keep tools clean, free of grease and oil?

A

Oxygen combines with grease and oil to form a highly explosive mixture that is sensitive to compression or impact

23
Q

Why should the propeller of a radial engine be pulled through for several revolutions before the engine is started?

A

To detect hydraulic lock

24
Q

When starting a reciprocating engine, should the carburetor heat control be in the hot or cold position?

A

Cold

25
Q

When starting a small reciprocating engine by hand, should the person in the cockpit repeat the word contact before or after the ignition switch is turned on?

A

before

26
Q

How may a reciprocating engine that has been flooded be cleared of the excessive fuel in the cylinders?

A

Turn it over by hand or by the starter

27
Q

What should be done to a reciprocating engine if there is no indication of oil pressure within 30 seconds?

A

Stop the engine and determine the problem

28
Q

When operating an engine with a controllable pitch propeller on the ground, should the propeller be in the low pitch position or the high pitch position?

A

full low pitch

29
Q

What should be done if an engine develops an induction system fire as it is being started?

A

Continue cranking to start the engine and extinguish the fire

(you can also direct the CO2 into the engine intake)

30
Q

How far ahead of an idling turbine engine does the danger area extend?

A

25ft

31
Q

How far behind an idling turbine does the danger area extend?

A

100ft

32
Q

While starting a turbine engine, what are four things you should always observe?

A
  1. starter duty cycle
  2. Air pressure or electrical capacity
  3. Turbine Inlet Temperature
  4. Provide fuel under low pressure to the engines fuel pump
33
Q

Why is it extremely important that the ramp area be clean before running a turbine engine?

A

Because the turbine inlets suck in anything light enough

34
Q

What is meant by a hung start of a turbine engine?

A

When the turbine engine starts but doesn’t accelerate

35
Q

What must be done if fuel is spilled on personnel or clothing?

A

It must be removed as soon as possible

36
Q

What are the two main advantages of pressure fueling compared to overwing fueling on an aircraft?

A

Decreases time to fuel and reduces the chance of static electricity igniting the fuel

37
Q

What is a Class A fire?

A

Ordinary combustible materials

Wood, cloth, paper, etc

38
Q

What is a Class B fire?

A

Flammable liquid

Fuel, oil, hydraulic fluid, etc

39
Q

What is a Class C fire?

A

Electrical

40
Q

What is a Class D fire?

A

Flammable Metals

41
Q

What are three requirements for a fire?

A

Fuel
Heat
Oxygen

42
Q

What type of fire extinguisher is best suited for a Class A fire?

A

Water extinguisher

43
Q

What type of fire extinguisher is best suited for a Class B fire?

A

Halogenated Hydrocarbon

44
Q

What type of fire extinguisher is best suited for a Class C fire?

A

Halogenated Hydrocarbon

45
Q

What type of fire extinguishing agent is not recommended for use in the aircraft industry? (except on metals)

A

Dry powder

46
Q

What type of oxygen is used when charging a high pressure oxygen system in an aircraft?

A

BB-O-925A

Aviators Breathing Oxygen

47
Q

Why are two persons required to properly service an aircraft oxygen system?

A

In case of an emergency

48
Q

What is one main disadvantage of manila rope for use as a tie down for aircraft?

A

It shrinks when wet

49
Q

What is indicated if while taxiing an aircraft near an active runway, the control tower shines a flashing white light at the aircraft?

A

Return to starting point

50
Q

What is indicated if while taxiing an aircraft near an active runway, the control tower shines a steady red light at the aircraft?

A

Stop

General (4 decks)

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