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ASYS 220 > Exam 4 > Flashcards

Exam 4 Flashcards

1
Q

3 types of avgas and color

Which is most common?

A

AVGAS 100/130 - Green
AVGAS 100LL - Blue
AVGAS 82UL - Purple

Avgas 100LL

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2
Q

Concerns when operating with MOGAS

A

Cannot contain alcohol
More prone to vapour lock
Lower octane than Avgas - Detonation may occur
Mogas changes based on season and geography
May leave gum residue

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3
Q

Why do we add additives like prist to jet fuel?

A

Anti incing properties

Microbiocidal effects

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4
Q

Five basic requirements of fuel system?

A 
Stores fuel
System delivers fuel to all engines
Delivers correct amount of fuel at correct pressure
Deliver clean fuel
Quantity indication
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5
Q

Advantages / disadvantages of Rigid fuel tank

A

Strong, little spills

Requires large opening / area

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6
Q

Advantages / disadvantages of fuel cells (bladders)

A

Collapsible, fits in small places

Must be protected from sharp edges, structure supports weight of cell

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7
Q

Advantages / disadvantages of integral tanks

A

USes exisitng space, maximize fuel volume for a given space, less weight to add
HArd to seal and maintain, cannot be replaced

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8
Q

At a minimum, what is labelled on a fuel tank?

A

Quantity and type of fuel

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9
Q

A scupper is used to

A

dump overfilled fuel overboard in case of overfill

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10
Q

Fuel vents are for what?

A

Allow air to replace the volume of fuel that leaves tank (fuel flow)

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11
Q

2 basic fuel systems

A

Gravity fed, pressure fed (pump)

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12
Q

What is used to feed the left tank to the rtight engine?

A

crossbleed valves

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13
Q

Fuel pumps are driven…

A

electrically or hydraulically

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14
Q

What are checked everyday to remove contaminants from fuel tanks?

A

Sump drains

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15
Q

Fuel filters are found in 3 different places

A

Tanks, Airframe, Engine

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16
Q

Purpose of fuel filter screens?

A

To remove sediment or water

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17
Q

All fuel systems must have what at the firewall?

A

Shutoff valve

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18
Q

Whats the lowest point in a tank?

A

The sump

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19
Q

Fuel valves are used to

A

Accomodate fuel flow demands

Control fuel flow direction

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20
Q

4 types of fuel valves

A

Poppet
Cone
Disc
Slide or gate

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21
Q

What precautions must be dtaken when refueling aircraft?

A 
No smoking
Ground nozzle before opening fuel cap
Bond truck and aircraft
Ground aircraft
Have fire protection ready
Ground truck
Refuel outside for fumes
Use filters when fuelling from drums
Avoid skin contact
Use proper PPE
22
Q

How is engine oil rated?

A

Viscosity and type

Octane number

23
Q

What PPE should be worn when servicing waste systems?

A

GLoves, mask, aprons, coveralls, goggles

24
Q

What precautions are taken when servicing engine oil?

A

Fill per manufacturers instructions
USe same oil type to replensish
Do not overfill engines with oil
Engine oil will show low when first run

25
Q

What should be done if grease won’t go into a Zirk fitting?

A

The fitting should be removed and inspected for blockage

26
Q

Incorrect use of aircraft cleaners could cause

A

Hydrogen embrittlement

27
Q

Flexible cables include

A

7x7
6x19
7x19

28
Q

Non flexible cables include

A

1x7

1x19

29
Q

cables are made of either

A

Galvanized or stainless steel

30
Q

Control systems can use what 3 things to transmit force

A

Pulleys
Bellcranks
Fairleads

31
Q

Cable connections: 3 types

A

Swage
Nicopress leeve
Bridle clamps

32
Q

5 main criteria to consider when rigging flight controls?

A 
Cable tension	
Control surface deflection	
Pilot control deflection	
Cable interference	
Rigging pins
33
Q

A turnbuckle has both a

A

Right and left hand thread type

34
Q

What function do pulleys, fairleads, bellcranks and control horns all have in common?

A

They are all used to support or control the change of direction of cables

35
Q

4 things after altering control systems?

A

Check for broken cables
Pulleys arent cracked or seized
Cable tension

36
Q

Purpose of artificial feedback?

A

Pilot can get a sense of input to the hydraulic controls

37
Q

Why are symmetry checks performed?

A

Ensures plane is straight
After hard landing
After major structural repair
Fresh out the factory

38
Q

Describe flight control characteristics as large aircraft speeds up

A

As aircraft speeds up, control surface input decreases

39
Q

Lift dump spoilers purpose

A

Kills lift generated by wing, and apply more weight on wheels when landing

40
Q

2 devices for aerodynamic stall warnings?

A

Stick shaker, Stick pusher

41
Q

4 ways to reduce housekeeping

A

Clean as you go
Good housekeeping
Tool shadowing

42
Q

What is most inportant PPE?

A

Ear protection

43
Q

Correct way to approach helicopter?

A

From the front due to spinning rotors you cant see

44
Q

List 3 things when tying down aircraft

A

Lock controls
Wind direction
Little slack in the tie downs

45
Q

Type of rope for tie downs and type of knot

A

Nylon or Dacron

Bowline

46
Q

List 4 safety precautions when doing runs

A

Propellers can become invisible
Always approach from front with eye contact
25ft away from front
200 ft away from back

47
Q

First thing to do when taxiing

A

Brake check

48
Q

Minimum safe distance from running turbine engines?

A

25 - 30ft

49
Q

How many people required for towing?

A

5 at least

50
Q

List 6 control tower lights

A 
Green - Good to go
Red  - stop
Flashing green - 
Flashing red - 
Flashing white - return to starting point
Alternate red / green  - extreme caution

ASYS 220 (2 decks)

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