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AFOQT > Flying > Flashcards

Flying Flashcards

1
Q

Bernoulli’s Principle

A
  • Points of faster fluid experience lower pressure than points of slower fluid speed. (Think above wing FAST and LOW, under wing is SLOW and HIGH)
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2
Q

EWCG

A

Empty Weight Center of Gravity

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3
Q

MEW

A

Manufacturer’s Empty Weight

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4
Q

OEW

A

Operating Empty Weight

MEW + Crew + Fluids + Unusable Fuel + Equip

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5
Q

AUW (AGW)

A

All-Up Weight (Aircraft Gross Weight) aka weight at any given moment during flight

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6
Q

MLW

A

Max Landing Weight

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7
Q

MZFW

A

Max Zero Fuel Weight

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8
Q

MTOW

A

Max Takeoff Weight

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9
Q

MRW

A

Max Ramp Weight

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10
Q

Flight Envelope

A

Limits of:
Speed
Altitude
AoA

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11
Q

What are Netwon’s 3 Laws?

A
  1. Law of Inertia
  2. Law of Motion
  3. Law of Gravitation
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12
Q

Law of Intertia

A

Object at rest stays a rest and an object in motion stays in motion (@ a constant velocity unles acted upon by an unbalanced force i.e gravity or friction)

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13
Q

What are the 4 types of friction

A
  1. Sliding (Kinetic) - Surface on Surface
  2. Fluid - Resistance when moved
  3. Rolling - Same as sliding but rather something is rolled
  4. Static - Keeps an object at rest when acted on by an external force
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14
Q

Law of Motion

A

When a body is acted upon by a constant force, its resulting acceleration is inversely proportionate to the mass of the body & directly proportional to the applied force (Net Force = Mass x Acceleration)

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15
Q

How is force measured

A

Newton (N)

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16
Q

How is mass weighed

A

Kiligrams (Kg)

17
Q

How is acceleration measured

A

Acceleration = meters/second/second or m/s^2

18
Q

Law of Gravitation

A

A particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportinal to the square of the distance between them (Fg= G(m1m2/d^2)

19
Q

Parasite Drag

A

Any “parasite” on the structure of the plane: low air pressure in the tires, skin friction, or anything that increases turbulence.

20
Q

Profile Drag

A

Produced by the shape of the aircraft. Smaller, slimmer aircraft reduces drag

21
Q

Induced Drag

A

At the back of the wing, airflow rapidly across the top meets air flowing more slowly underneath, creating a vortex… this type of drag depends on the performance of the aircraft.

22
Q

Axes of an Aircraft

A

Longitudinal (Roll) = nose to tail
Lateral (Pitch) = wingtip to wingtip
Vertical (Yaw) = perpendicular to the wings

23
Q

Truss aircraft structure

A

Consists of welded steel-tubing longerons separated by diagonal members to endure the loads placed upon the aircraft

24
Q

Monocoque aircraft structure

A

Consists of a thin sheet-aluminum alloy curved to fit the shell fo the fuselage

25
Q

Types of Wings

A

Low, Mid, High
Cantilever, Semi-Cantilever, Biplane
Dihedral, Anhedral

26
Q

Wing Planforms

A

Rectangular (simplest, highly efficient, used in light GA)
Elliptical (most efficient, lowest possible induced drag)
Tapered (cross between rectangular and elliptical, better lift distribution and moderate efficiency)
Swept (tapered to reduce drag… tendency to twist under stress)

27
Q

Thrust Horsepower equation

A

thp= (thrust x aircraft speed in mph)/375 pph

28
Q

Shallow Turn degree

A

20 degrees

29
Q

Medium Turn degree

A

20-45 degrees

30
Q

Steep Turn degree

A

45 degrees

31
Q

Vy

A

Best RATE of climb - gaining most altitude shortest period of time

32
Q

Vx

A

Best ANGLE of climb - gaining most altitude in a short distance

33
Q

Skidding Turn

A

Ball is on outside of turn - centrifugal force reaction is greater than gravity

34
Q

Slipping Turn

A

Ball is on inside of turn coordinator- more bank than needed and gravity is greater than centrifugal force reaction

AFOQT (1 decks)

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