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1ST SEM PRELIMS > AMT 114 THEORY OF FLIGHT WITH WEIGHT AND BALANCE > Flashcards

AMT 114 THEORY OF FLIGHT WITH WEIGHT AND BALANCE Flashcards

1
Q

any vehicle that is able to fly by gaining support
from the air.

A

The Aircraft

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2
Q

Parts of an Aircraft:

A

Powerplant, Wings, Empennage, Landing gear, Fuselage

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3
Q

Classes of Airplane:

A

-Single Engine - Land
-Single Engine - Sea
-Multi Engine - Land
-Multi Engine - Sea

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4
Q

4 Categories of Aircraft:

A
  • Airplane
    -Rotorcraft
    -Glider
    -Lighter than Air
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5
Q

The early engine that they designed generated almost 12 horsepower. That’s the same power as two hand-propelled lawn mower engines!

A

Wright Brothers

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6
Q

were very deliberate in their quest for flight.

A

Wright Brothers - 1903

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7
Q

Categories of Airplane:

A
  • Normal - max of +3.8Gs and -1.52Gs
  • Utility - max of +4.4Gs and -1.75Gs
    -Acrobatic - max of 6Gs and -3Gs
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8
Q

Fuselage Construction

A

Truss type
- Heavy
- Very Sturdy
(Longerons, Struts, Bulkhead, Stringers)

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9
Q

Types of Airplane (It is the maker or manufacturer and the model of
the airplane):

A

Cessna 152
Boeing 787
Airbus A350

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10
Q

is the central body of an airplane and is designed to accommodate the crew, passengers, and cargo.

A

Fuselage

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11
Q

Monocoque Parts and classifications

A
  • Light
  • Not Very Durable
    Stressed skin, Formers, Bulkhead
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12
Q

Semi Monocoque parts:

A

Stringers, Bulkhead, Skin, Formers

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13
Q

Wing support:

A

-Cantilever wing
-Semi Cantilever

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14
Q

Are airfoils attached to each side of the fuselage and are the main lifting surfaces that support the airplane in flight.

A

Wings

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14
Q
  • Lighter than Truss
    Type
A

Semi-Monocoque

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15
Q

Wing Location:

A

-Low wing
-Mid Wing
-High Wing

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16
Q

Parts of Wings:

A

Wing flap, Spar, Aiteron, Fuel tank, Skin, Ribs, Stringers, Wing tip

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17
Q

S t u r d i e r t h a n
Monocoque

A

Semi-Monocoque (Fuselage)

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18
Q

Number of Wings

A

-Monoplane
-Biplane

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19
Q

Wing Aspect Ratio

A

-Low aspect Ratio, Moderate aspect Ratio, High Aspect Ratio

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20
Q

Landing Gear Positions:

A

Conventional, Tricycle Type

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21
Q

Primary function is to provide the power to turn the propeller

A

Powerplant

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22
Q

Empennage Parts:

A

Horizontal stabilizer, Vertical stabilizer, Rudder, Trim Tabs, Elevator

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23
Q

Wing Sweep:

A

Straight, Sweptback

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24
Q

Classification of Landing Gear

A

Rectractable landing gear, Fix gear

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25
Q

is the upward force created by wings as the air
flows around them and it keeps the airplane in the air

A

Lift

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26
Q

Wing Planform:

A

Constant, Tapered

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27
Q

Types of Landing Gear:

A

Floats, Skis, Wheels

28
Q
  • is the forward force and created by the aircraft’s
    propellers or turbine engine.
A

Thrust

29
Q

it contains -stabilizers, elevators, rudder, trim tabs

A

The Empennage

30
Q

Usually includes both the engine and the propeller

A

Powerplant

31
Q

Four forces of Flight

A

Lift, Weight, Thrust, Drag

32
Q

is the force acting in the direction opposite of the thrust
which limits the performance of the airplane.

A

Drag

33
Q

Lift force =?

A

Weight Force

34
Q
  • is the downward force toward the center of the earth and is opposite of lift. It exists due to gravity
A

Weight

35
Q

When an aircraft is maintaining its heading, altitude,
and airspeed.

A

Straight-and-Level, Unaccelerated Flight

36
Q

is Perpendicular to the Relative Wind

A

Lift

37
Q

can be liquid, gas, or plasma

A

Fluids

38
Q

Thrust Force =?

A

Drag force

39
Q

Two Major Theories on Lift:

A
  1. Newton’s Third Law of Motion
  2. Bernoulli’s Principle
40
Q

The key to an aircraft’s ability to fly is “___”

A

Lift

41
Q

is a surface that generates an aerodynamic force as a fluid moves around it.

A

Airfoil

42
Q

“For every action, there is an equal and opposite reaction

A

Newton’s Third Law of Motion

43
Q

Top part of an airfoil

A

Upper Camber

44
Q

are any substance that deform under an applied stress

A

Fluids

45
Q

is produced due to the airfoil shape.

A

Lift

46
Q

Aft most point of an airfoil

A

Trailing Edge

47
Q

as the airplane flies through the air the path that the airplane travels along is know as its _____

A

Flight Path

48
Q
  • angle between the chord line and the relative wind
A

Angle of Attack

49
Q

Forward most point of an airfoil

A

Leading Edge

50
Q
  • Line from Leading Edge to Trailing Edge
A

Chord line

51
Q

airflow that flows around the airplane as it travel
through the air, and is in the opposite direction of the flight path

A

Relative Wind

52
Q

Bottom part of an airfoil

A

Lower Camber

53
Q

states that areas with highpressure moves to areas with low pressure. Since the wing is in between the low and high
pressures, it is therefore lifted up.

A

Pressure gradient force

54
Q

This states that,
“as the velocity of fluid (air)
increases, its internal pressure decreases”

A

Bernoulli’s Principle (The Venturi Effect)

55
Q

Due to the shape of the airfoil, the air travelling at the top of the airfoil will increase in speed which results in a lower pressure as compared to the pressure
below the airfoil. This imbalance is called _______

A

pressure gradient force.

56
Q

This change in pressure happens due to expansion and compression of fluids.

A

Bernoulli’s Principle (The Venturi Effect)

57
Q

As air flows around a wing, the air gets deflected downward which results it in lifting (opposite
reaction) the wing

A

Newton’s Third Law of Motion

58
Q

Engineer’s Formula
L= CL
(1/2)(ρ)(V2)(S)
L= Lift
CL=Coefficient of Lift
ρ = air density
V = velocity of the aircraft
S = Surface area of the Wing

A
59
Q

Is an event where the
wing stops generating
enough lift to keep the
aircraft flying.

A

Stall

60
Q

High angle of attack
Decreasing airspeed
Sluggish controls
Stall Horn
Buffeting or Vibration
Nose down
Negative VSI

A

Signs of Stall

61
Q

Heart of the aircraft

A

propeller

62
Q

Happens when the
critical angle of attack
is reached.

A

Stall

63
Q

2 types of airfoil:

A

Symmetrical, Asymmetrical

64
Q

L =?
CL=?
p=?
V=?
S=?

A

Lift, Coefficient of Lift, Air Density (rho), Velocity of the aircraft, Surface area of wind

65
Q

Lift Formula = ?

A

L = CL (1/2) (p)(V2)(S)

66
Q

What are the signs of stall:

A

High angle of attack
Decreasing airspeed
Sluggish controls
Stall Horn
Buffeting or Vibration
Nose down
Negative VSI

67
Q

Movement on the ground without any support

A

Taxi

1ST SEM PRELIMS (9 decks)

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