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Mod 11: Aircraft Systems > First 2 Weeks > Flashcards

First 2 Weeks Flashcards

1
Q

What uses Cable Operated Systems

A

Low speed general aviation

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2
Q

What material is used for cables in cable operated systems

A

Steel

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3
Q

How do cable and hydraulic systems interact in Boosted Cable Systems

A

Parallel to each other

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4
Q

What is the boost ratio on Boosted Cable Systems

A

14:1

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5
Q

What does a Primary Stop do

A

Limits Flight controls at the surface of the Flight Control

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6
Q

What does a Secondary stop do

A

Limits Flight controls at the Control Column in the cockpit

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7
Q

What powered system is completely hydraulic

A

Hydraulic power operated system

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8
Q

What power operated system needs artifical feel

A

Hydraulic powered operated system

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9
Q

How is non proportional feedback given to pilot on Hydraulic Power Operated Systems

A

Springs

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10
Q

How is proportional feedback given to pilot on Hydraulic Power Operated Systems

A

Q pots

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11
Q

What system is irrevrisble

A

Hydraulic Power Operated System

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12
Q

What do torque tubes do

A

Transmits torionsal force between actuating control and the device being controlled

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13
Q

What is fly by wire

A

Using electrical wires instead of cables in an aircraft

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14
Q

What does LVDT stand for

A

Linear Variable Displacement Transfuser

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15
Q

What does RVDT stand for

A

Rotary Variable Displacement Transfuser

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16
Q

What is fly by light

A

Uses fiber optic cables instead of steel cables

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17
Q

What is EMI

A

Electro Magnetic Interference

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18
Q

What is Roll and Yaw trimming for

A

Is used to adjust aircraft to fly straight hands free

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19
Q

How is Pitch trimming done

A

Adjusting Leading edge of horizontal stabiliser / THS

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20
Q

What is mach trim

A

In modren aircrafts

Compensates for aerodynamic pitch down tendency at high speeds

Done by adjusting THS

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21
Q

What do Trailing Edge Flaps do

A

Increase Camber or Increase Camber and area

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22
Q

What do leading edge flaps do

A

Allows for a higher AOA

Decreases takeoff and landing distance

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23
Q

What are the positions of a Leading Edge Flap

A

Extended and Retracted

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24
Q

When are slats retracted

A

Cruise

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25
Q

When are slats in the intermediate setting

A

Takeoff

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26
Q

When are slats extended

A

Landing

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27
Q

What are the two types of Spoiler

A

Flight and Ground

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28
Q

When can ground spoilers be used in flight

A

Never

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29
Q

What is the center of gravity dependant on (3)

A

Amount of fuel

Number of passangers

Amount of distribution of the cargo

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30
Q

Where are slots normally

A

Fixed to leading edge

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31
Q

When are slats used

A

High AOA

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32
Q

Why are slats not used at normal angles

A

Only induces drag at normal angles

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33
Q

Where are fowler flaps

A

Trailing edge

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34
Q

Where are slotted flaps

A

Trailing edge

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35
Q

Where are kruger flaps

A

Leading edge

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36
Q

What is the most common flap on commerical Aircrafts

A

Fowler

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37
Q

What are spoilers used for

A

To kill lift allowing for rapid descent

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38
Q

Why is it important for an aircraft to stall at the root out to the tip

A

So ailerons will be effective in a stall

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39
Q

What direction is an aileron on a downwards wing in a bank

A

Up

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40
Q

What is the only tab with the same direction of motion as the flight control

A

Anti balance / Anti Servo

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41
Q

What does a trim tab do

A

Statically balances the aircraft in flight

“Hands off”

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42
Q

What does a Balance tab do

A

Aids pilot in overcoming force needed to move control surface

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43
Q

What does a servo tab do

A

Aerodynamically positions control surfaces that require too much force to move manually

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44
Q

What does an Anti servo tab do

A

Increases force needed by pilot to change flight control position

Desensitizes flight controls

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45
Q

What does a spring tab do

A

Enabled moving control surface when forces are high

Inactive during slow flight

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46
Q

What happens to velocity in subsonic

A

Increases

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47
Q

What happens to pressure in subsonic

A

Decreases

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48
Q

What happens to density in subsonic

A

Stays the same

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49
Q

What happens to velocity in supersonic

A

Decreases

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50
Q

What happens to pressure in supersonic

A

Increases

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51
Q

What happens to density in supersonic

A

Increases

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52
Q

What is speed of sound effected by

A

Temperature

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53
Q

When temperature increases what happens to speed of sound

A

Increases

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54
Q

What is speed of sound on a standard day

A

1224.1 kmph

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55
Q

What is a mach number

A

Ratio of speed of aircraft to speed of sound

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56
Q

What measures speed of sound and displays information to the pilot

A

Machmeter

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57
Q

What is the flight speed range for subsonic

A

Below 0.75

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58
Q

What is the flight speed range for transonic

A

0.75 to 1.2

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59
Q

What is the flight speed range for supersonic

A

1.2 to 5

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60
Q

What is the flight speed range for hypersonic

A

Greater than 5

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61
Q

When does air become compressable

A

Supersonic

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62
Q

What are the 3 types of supersonic waves

A

Normal oblique and expansion

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63
Q

What wing causes a normal shock wave

A

Blunt nose subsonic airfoil

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64
Q

What wing causes a Oblique shock wave

A

Sharped Edge airfoil

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65
Q

What wing causes a expansion shock wave

A

Double-Wedge airfoil

66
Q

What is EASA CS-25 Subpart C

A

Structure

67
Q

What is EASA CS-25 Subpart D

A

Design and Construction

68
Q

What is multi site cracking

A

Cracks form on several elements at the same time

69
Q

What is put in Composites to conduct electricity

A

Copper Mesh

70
Q

Where are bonding leads used

A

Hinged and Removable Parts

71
Q

Where are Bonding strips used

A

Fuel tanks

Engines

APU

72
Q

When are fuselage drain valves open

A

When Unpressurised

73
Q

When are fuselage drain valves closed

A

When pressurised

74
Q

What is primary structure

A

Contributes significantly to flight ground and pressurisation loads

If fails it could lead to a catastrophic incident

75
Q

What is secondary structure

A

If fails the aircraft would be limited in operation

76
Q

What is terriary structure

A

Would be the most operational if it was a issue

77
Q

What axis are buttock lines on

A

X - Longitudinal Axis

78
Q

What axis are body stations on

A

Y - Laterial Axis

79
Q

What axis are water lines on

A

Z - Vertical Axis

80
Q

What is the Zero Point

A

Distance each line (eg water line) is marked from on each axis

81
Q

Zonal ID : 100

A

Fuselage Lower Section

82
Q

Zonal ID : 200

A

Fuselage Top Section

83
Q

Zonal ID : 300

A

Stabilisers

84
Q

Zonal ID : 400

A

Nacelles

85
Q

Zonal ID : 500

A

Left wing

86
Q

Zonal ID : 600

A

Right wing

87
Q

Zonal ID : 700

A

Landing Gear

88
Q

Zonal ID : 800

A

Doors

89
Q

How many digits in a major zone

A

3

90
Q

How many digits in a major subzone

A

2

91
Q

How many digits in a unit zone

A

1

92
Q

What does DLL stand for

A

Design Limit Load

93
Q

What does DUL stand for

A

Design Ultimate Load

94
Q

What is a monocoque structure

A

A single shell structure

95
Q

What is a semi monocoque structure

A

Shell structure with stringers bulkheads and spars

96
Q

Where do you find out how to level an aircraft

A

Type cert data sheet

97
Q

What is the main deck of an aircraft

A

Cockpit and Cabin

98
Q

What is the lower deck of an aircraft

A

Avionics Compartments

Landing Gear

Cargo Compartments

99
Q

What is the keel section of an aircraft

A

Houses Landing Gear

100
Q

What are the pressurised areas of a aircraft

A

Cockpit

Cabin

Avionics Department

Cargo Compartments

101
Q

What are the un-pressurised areas of a aircraft

A

Radome

Wing Centre Box

Landing Gear Bays

102
Q

What is a Plug Type Door

A

Close from inside

Bigger than doorway

Maintains same strength as Fuselage

103
Q

What is a Non Plug Type Door

A

Close from Outside

Carries all forces of aircraft

Add to total fuselage strength

104
Q

What are the (2) types of Cockpit Window

A

Windshield and side

105
Q

Why are Cockpit Windows heated

A

Increase flexibilty

Anti Ice

Stops fogging over

106
Q

What are the layers in a Cabin window

A

Outside

Middle

Protective

107
Q

What type of structure are wings

A

Semi Monocoque

108
Q

What way do spars run in a wing

A

Spanwise

Root to tip

109
Q

What way do stringers run in a wing

A

Spanwise

Root to tip

110
Q

What way do ribs run in a wing

A

Parallel to Fuselage

Leading edge to Trailing Edge

111
Q

What do lightening holes do in a rib of an aircraft

A

Save weight

112
Q

What do check valves do on an aircraft

A

Stops fuel moving during banks

Non return valve

113
Q

What are the (3) componets in a spar

A

Top Cap

Shear web

Bottom Cap

114
Q

What is the name of a fuel tanks which houses fuel in it’s wings

A

Integral Fuel Tank

115
Q

What construction type is used in flight control surfaces

A

Monoqoue

116
Q

What are the componets to make a rudder or aileron

A

Spar

Honeycomb core

Skinning pannels

117
Q

What are the componets to make an elevator

A

Spar

Ribs

Skinning pannels

118
Q

Where are actuators and hinges mounted normally on flight controls

A

To spars

119
Q

Where are static wicks

A

Trailing edge of flight controls

120
Q

What is flutter

A

Vibration

121
Q

How is flutter eliminated

A

By balencing flight control surfaces

122
Q

What is a hinge line

A

Line where axis of hinge is placed

123
Q

What is inset

A

When part of your control surface is forward of the hinge

124
Q

What are the primary function of Nacelles

A

Smooth airflow

Prevent damage

Additional Strength

Resistant to bending

Service doors

125
Q

What is included in nacelles

A

Nose cowl

Cowl panels

Exhaust nacelle

Trust reverser

126
Q

What is the function of a pylon

A

Support Engine

Transmit Thrust to Aircraft

Enable routing of systems

Fire Barrier

127
Q

What is primary pylon structure

A

Carries loads

Acts as firewall

128
Q

What is secondary pylon structure

A

Not part of firewall

129
Q

What are the (3) types of engine mount

A

Wing mounted

Tailside mounted

Tail mounted

130
Q

What are the sources of bleed air

A

Engines

APU

Ground Pneumatic Carts/ Networks

131
Q

What is the conventional source of bleed air in flight

A

Engines

132
Q

What is Emergency RAM Air Systems used for

A

In flight to ventilate cockpit and cabin if packs fail or smoke removal

133
Q

What does HEPA stand for

A

High Efficency Particulate Filter

134
Q

What is the temperature required for a human in flight

A

21 to 27 degrees C

135
Q

What is the humidity required for a human in flight

A

30%

136
Q

What is the Cabin Air Movement Required for a human in flight

A

0.55lbs per person per minute

137
Q

What is the Cabin Climb Rate of an aircraft

A

500ft/min

138
Q

What is the Cabin Descent Rate of an aircraft

A

300ft/min

139
Q

In an outflow valve, what motor is used for AUTOMATIC mode

A

AC Motor

140
Q

In an outflow valve, what motor is used for MANUAL mode

A

DC Motor

141
Q

What safety operation occurs at 10,000ft Alt

A

Warning Alarm

Crew get O2

142
Q

What safety operation occurs at 14,000ft Alt

A

Passengers get O2

143
Q

What does LOPA stand for

A

Location Of Passenger Accomodation

144
Q

What is a LOPA

A

Document gives location and quantity of everything in the cabin

145
Q

What height of Doors must be fitted with slides

A

1.8 meters

146
Q

What connects the floor to the emergancy slide

A

Girt Bar

147
Q

How long does it take a slide to inflate

A

3 to 10 seconds

148
Q

What is the size of a flight crew exit

A

19 inches by 20 inches

149
Q

What is the most common type of fire extinguster in the Cabin

A

Dry Powder Type

150
Q

What matierals of an aircraft must be fireproof

A

Upholstery Materials

151
Q

What is the max height of an escape path

A

4 feet tall

152
Q

What is the most common method of an escape path

A

Small aisle lights

153
Q

What colour are escape path lights

A

White

154
Q

What colour are emergancy door lights

A

Red

155
Q

How are fire resistant qualities of Upholstery Materials decreased

A

Dry Cleaning

156
Q

What is the increments of Passenger Seats

A

1 inch

157
Q

What are the (2) types of Cargo Compartments

A

Bulk and Container

158
Q

What is held in a Bulk Cargo

A

Loose or Living Objects

159
Q

What is held in a Container cargo

A

Containers (LD-3 Half)

Pallets

160
Q

How can Airstairs be retracted or extended

A

Battery

Hydraulics

115 volt AC power

Mod 11: Aircraft Systems (5 decks)

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