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Aerodynamics MCQ

What is the purpose of research?

Finding solutions to problems

To develop new methods and techniques

To produce new knowledge

A carefully planned and performed investigation, searching for previously unknown facts

Advocating for a change in public policy

Answer

Correct Answer: A carefully planned and performed investigation, searching for previously unknown facts

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What is an example of a carefully planned and performed investigation?

A trial

An experiment

Research

Detective work

Hypothesis testing

Answer

Correct Answer: Research

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In what area of aviation is reconnaissance called "flying over and looking closely at"?

Below

On the ground

Above

In the air

Answer

Correct Answer: Below

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What is reconnaissance in aviation?

To survey an area

To search for enemy forces

To map an area

To survey an area to find out its defenses and weaknesses

To fly over and look closely at an area below

Answer

Correct Answer: To fly over and look closely at an area below

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What can be used to pull objects closer to the Earth?

Electric force

Rockets

Air resistance

Planes

The force of gravity

Answer

Correct Answer: The force of gravity

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What does gravity pull objects closer to?

Moon

Earth

Stars

Sun

Answer

Correct Answer: Earth

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What can be controlled through changes to the propellers speed?

The angle of attack

The direction of the propellers

The amount of thrust

The speed of the propellers

Answer

Correct Answer: The amount of thrust

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What does the propeller create by biting into the air?

Drag

Thrust

Noise

Air resistance

Answer

Correct Answer: Thrust

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What does pressure mean?

It takes effort to breathe under high pressure

A lot of people are saying that something is too heavy for you to lift

When you stand, your feet put pressure on the ground

Pressure makes diamonds form

A machine applies pressure to a material

Answer

Correct Answer: When you stand, your feet put pressure on the ground

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What do you think of when you think of standing?

Stability

Standing in line

A feeling of accomplishment

Pressure

Support

Answer

Correct Answer: Pressure

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How is pitch measured?

A vibratory motion

A rotational motion

A linear motion

Intensity

Frequency

Answer

Correct Answer: A rotational motion

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What is the payload of an airplane?

The weight of an aircraft

The fuel used by an airplane

A metal or plastic tube extending the full length of an aircraft

The load carried by an aircraft that includes passengers and cargo

The air that a plane needs to travel through

Answer

Correct Answer: The load carried by an aircraft that includes passengers and cargo

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What is the payload of an aircraft?

A missile

Bombs

Passengers and cargo

Fuel

Answer

Correct Answer: Passengers and cargo

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Besides cargo, what is carried by an aircraft?

Cargo

Fuel

Passengers

Answer

Correct Answer: Passengers

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Opposing forces are pushing or pulling in what direction?

The opposite

South

The same

North

Answer

Correct Answer: The opposite

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What do opposing forces do?

Creating something new

Destroying something old

Pushing or pulling in the opposite direction

Attract or repel each other

Interact with one another

Answer

Correct Answer: Pushing or pulling in the opposite direction

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What is the charter of the National Aeronautics and Space Administration?

To develop American technology in space exploration

To advance American aeronautical engineering

To expand frontiers in air and space

To safeguard America's leadership in space technology

Answer

Correct Answer: To expand frontiers in air and space

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When was NASA created?

1966

1871

1946

1958

1957

Answer

Correct Answer: 1958

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What was the name of the governmental agency that oversaw aeronautics research?

Committee on Aeronautical Research

National Aeronautics and Space Administration

National Advisory Committee for Aeronautics

National Research Council

Answer

Correct Answer: National Advisory Committee for Aeronautics

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When was NACA's name changed to NASA?

1958

1958-1961

1967

1959

Answer

Correct Answer: 1958

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Most aircraft built today have only one set of?

Propellers

Engines

Wings

Rudder

Answer

Correct Answer: Wings

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What characteristics define an aircraft as a monoplane?

Cannot exceed a certain weight

Only one set of wings

They can fly using only one wing

Cannot fly upside down

They have a single engine

Answer

Correct Answer: Only one set of wings

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Which type of aircraft has only one set of wings?

Quadcopters

Helicopters

Monoplanes

Multiplanes

Triplanes

Answer

Correct Answer: Monoplanes

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What type of engineers create a model of an aircraft to put in a wind tunnel?

Aerospace engineers

Aircraft designers

Mechanical engineers

Wind tunnel engineers

Answer

Correct Answer: Wind tunnel engineers

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What is the axis of motion a roll is about?

Longitudinal axis

Centrifugal axis

Transverse axis

Parabolic axis

Angular velocity

Answer

Correct Answer: Longitudinal axis

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What is a motion in the longitudinal axis?

Yaw

Pitch

Roll

Answer

Correct Answer: Roll

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What opposes weight force in a design of an airplane?

Drag

Thrust

Wings

Lift

Air resistance

Answer

Correct Answer: Lift

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What does the wings create lift with?

Jet engines

Weight force

Surface tension

Air pressure

Answer

Correct Answer: Weight force

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What is the leading edge of an airplane normally thicker than?

The tips of the wings

The trailing edge

The fuselage

The middle of the wing

The wing root

Answer

Correct Answer: The trailing edge

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What is a motion around the lateral axis?

Roll

Yaw

Pitch

Answer

Correct Answer: Pitch

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What is another word for landing gear?

Tires

Wheels

Ailerons

Undercarriage

Skis

Answer

Correct Answer: Undercarriage

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What does a retractable landing gear reduce?

Maintenance

Landing distance

Cost

Drag

Weight

Answer

Correct Answer: Drag

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Jet engine works by creating a high?

Velocity

Pressure

Temperature

Answer

Correct Answer: Velocity

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What do pilots use to measure and observe their altitude?

Radar

Instruments

A sextant

A radar

Answer

Correct Answer: Radar

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What can an engineer offer as a hypothesis?

That a particular wing shape will create too much lift and cause the airplane to fly uncontrollably

That a particular wing shape will create more lift than is necessary

That a particular wing shape will not create enough lift to enable an airplane to fly

That adding more engines will enable an airplane to fly

That a particular wing shape is best for aircraft flying

Answer

Correct Answer: That a particular wing shape will not create enough lift to enable an airplane to fly

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How can an engineer test his or her hypothesis?

Using one or more of the tools of aeronautics

Running a study

By constructing a model of the system under study

Using a control group

By performing experiments

Answer

Correct Answer: Using one or more of the tools of aeronautics

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How many times the speed of sound is Hyper-X faster than?

Twice

Five

Ten

Answer

Correct Answer: Five

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What is the name of the speed greater than five times the speed of sound?

Mach 5

Ultrasonic

Supersonic

Hypersonic

Answer

Correct Answer: Hypersonic

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What is the part of the airplane to which the empennage and wings are attached?

The wing

The tail

The wings

The fuselage

Answer

Correct Answer: The fuselage

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How fast can the X-29 travel?

1.5 times the speed of sound

Over one and one-half (1 1/2) times the speed of sound

Twice the speed of sound

Three and one-half (3 1/2) times the speed of sound

5 times the speed of sound

Answer

Correct Answer: Over one and one-half (1 1/2) times the speed of sound

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How is the X-29 an example of a supersonic jet?

Forward sweep wings

Variable geometry wings

Sonic booms

Rearward sweep wings

Answer

Correct Answer: Forward sweep wings

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What is an example of a supersonic jet that has forward sweep wings?

The F-117 Nighthawk

The B-2 Spirit bomber

The Concorde

The X-29 aircraft

The B-2 Spirit

Answer

Correct Answer: The X-29 aircraft

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What can be measured by a force?

Distance of objects

Mass

Force of gravity

A push or a pull

Answer

Correct Answer: A push or a pull

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What does air refer to as a type of fluid?

Solid

Gas

Liquid

Answer

Correct Answer: Gas

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Flight simulation is used to investigate how an aircraft responds to a pilot's movement of what?

The aircraft's fuselage

The aircraft's engines

The passengers

The aircraft

The controls

Answer

Correct Answer: The controls

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What is the name of the usage of a flight simulator to investigate how an aircraft responds to a pilot's movement of the controls?

Simulator sickness

Flight training

Flight test

Flight simulation

Answer

Correct Answer: Flight simulation

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Who controls airport safety?

The FAA

The airport authority

The airports

The airlines

Answer

Correct Answer: The FAA

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What department is responsible for the FAA?

Department of Transportation

Department of the Interior

Department of Commerce

Department of Energy

Answer

Correct Answer: Department of Transportation

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What would you call a set of controlled procedures designed to test an idea or hypothesis?

A scientific method is the foundation of all experimentation

A flight simulation engineer will design an experiment

A hypothesis is a conjecture or suggestion about the nature of the world

A test subject is a control in an experiment

A test is an evaluation of whether a particular idea holds water

Answer

Correct Answer: A flight simulation engineer will design an experiment

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What kind of person would design an experiment to test whether or not a pilot can control an airplane with a new wing design?

Mechanical engineer

Flight simulation engineer

Aerospace engineer

Control engineering student

Answer

Correct Answer: Flight simulation engineer

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What does a flight simulation engineer design an experiment to test?

Whether or not an airplane will crash

How well a pilot can land an airplane

Whether or not a plane can fly

Whether or not a pilot can control an airplane

Whether or not air traffic controllers are able to keep airplanes on schedule

Answer

Correct Answer: Whether or not a pilot can control an airplane

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An airplane will normally have what type of engines?

Jet engines or engines that drive one or more propellers

Two engines that drive all propellers

Two jet engines

One engine that drives all propellers

Two propellers

Answer

Correct Answer: Jet engines or engines that drive one or more propellers

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What does a plane use to create energy?

Wind

Wind turbines

Combustion

Solar panels

Solar

Answer

Correct Answer: Combustion

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The horizontal and vertical stabilizers are parts of what?

The tail

The wings

The empennage

The fuselage

Answer

Correct Answer: The empennage

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What part of the tail are pitch controls?

Horizontal

Vertical

Answer

Correct Answer: Horizontal

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What are sleek planes designed to reduce?

Fuel usage

Drag force

Noise

Answer

Correct Answer: Drag force

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How is an aircraft designed to reduce its drag?

Large and tall

Streamlined

Covered in wings

Bulky

Sleek

Answer

Correct Answer: Streamlined

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In the image above, where do the wings connect to the fuselage?

Outward

Downward

Leftward

Upward

Answer

Correct Answer: Upward

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What is a sweepback wing also known as?

Rectangle

Winglet

Flaperon

Triangle

Aileron

Answer

Correct Answer: Triangle

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What type of wing is the XB-70A?

Delta

Aileron

Winglet

Jet

Answer

Correct Answer: Delta

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What term describes the process of slowing down an airplane?

Transitions

Arrests

Decelerates

Descending

Descends

Answer

Correct Answer: Decelerates

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What does an airplane do to slow down?

Flies upside down

Flaps to adjust the wings' angle of attack

Increases airspeed

Decelerates and rolls to a stop

Answer

Correct Answer: Decelerates and rolls to a stop

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What does an engineer in a wind tunnel collect data about?

How a turbine will perform in various wind speeds

The aerodynamics of an airplane

How much power is produced by a wind turbine

How much lift is created by a certain wing shape

Answer

Correct Answer: How much lift is created by a certain wing shape

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What are the two parts of a control that can cause an airplane to roll or pitch?

Rudder and ailerons

Rudder and elevators

Elevators and rudder

Ailerons and elevators

Answer

Correct Answer: Ailerons and elevators

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What are the main types of control surfaces?

Paddles, joysticks and yokes

Ailerons, elevators and rudders

Trim tabs, ailerons and elevators

Rudder, ailerons and elevators

Answer

Correct Answer: Ailerons, elevators and rudders

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What can a computer be programmed to do?

Play simple games

Generate random numbers

Learn new things

Perform complicated tasks

Process information

Answer

Correct Answer: Perform complicated tasks

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What is the name of the science of using supercomputers to solve complex mathematical equations?

CFD

Chaos theory

Geometry

Algebra

Fractals

Answer

Correct Answer: CFD

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What does the term "commercial aviation" describe?

The type of aircraft that is most commonly used for commercial purposes

The use of aircraft for advertising purposes

The business of operating aircraft that carry passengers by commercial companies

The use of aircraft for transporting cargo

The use of aircraft for transporting passengers

Answer

Correct Answer: The business of operating aircraft that carry passengers by commercial companies

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What does the flight crew do in the cockpit?

Checking the instruments

Monitoring the aircraft's systems

Flying the aircraft

Talking to the passengers

Navigating the aircraft

Answer

Correct Answer: Flying the aircraft

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Where does a flight crew perform their job?

In the front of the airplane

In the cockpit

In the back of the airplane

Answer

Correct Answer: In the front of the airplane

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What is the leading edge of an airfoil called?

Rear

Front

Wingtip

Top

Answer

Correct Answer: Front

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The leading edge and the trailing edge are lines on what?

Airfoil

Airplane

Blade

Cutting edge

Wing

Answer

Correct Answer: Airfoil

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What is an example of a single force acting on a point in an object?

The force of gravity

The force of air resistance

The force of an object's weight

The force of heat

The force of air pressure

Answer

Correct Answer: The force of gravity

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What do engineers often treat the force of gravity on all parts of an object as?

A vector force

A single force

A universal force

Answer

Correct Answer: A single force

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Two small horizontal surfaces on each side of a plane are called?

Stabilizer configuration

Wing

Tail configuration

Horizontal stabilizer

Wing configuration

Answer

Correct Answer: Tail configuration

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How many sets of wings did the first airplane have?

Two

Six

Four

Answer

Correct Answer: Four

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Water exerts more pressure on what within a pond than a flowing stream?

Pond's bottom

Surface of a stream

Water droplets

Air

Ponds middle

Answer

Correct Answer: Pond's bottom

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Who explained that the faster molecules within a fluid move, the less pressure they exert on objects around them?

Laplace

Newton

Bernoulli

Galileo

Answer

Correct Answer: Bernoulli

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When did Boyle write Hydrodynamica?

1967

1751

1760

1738

1928

Answer

Correct Answer: 1738

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What is the name of Da Vinci's book about fluid dynamics?

Hydrodynamica

Scientific Mechanics

Fluid Mechanics

Celestial Mechanics

Mechanics of Fluids

Answer

Correct Answer: Hydrodynamica

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What do you think of when you hear the word "equilibrium"?

Rest

A state of rest

Opposing forces

Inbalance

Answer

Correct Answer: A state of rest

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If two people pull on a rope in opposite directions, the resulting force is said to be what?

Equal

Unbalanced

Balanced

Answer

Correct Answer: Balanced

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Along what axis does an aircraft rotate?

Pitch

Vertical

Longitudinal

Orbit

Yaw

Answer

Correct Answer: Longitudinal

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Where does the center of gravity of an aircraft run through?

From the nose to the tail

In the middle

Along the length of the aircraft

Through the middle of the aircraft

Answer

Correct Answer: From the nose to the tail

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What is the third type of aviation?

Private

Military

Commercial

Answer

Correct Answer: Military

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What are the three types of aviation?

Air traffic controllers, pilots and aircraft mechanics

Military, commercial and private

Commercial, general and military

General, commercial and military

Airplanes, helicopters and balloons

Answer

Correct Answer: General, commercial and military

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To take something apart, it must first be examined and?

Examined

Inspected

Disassembled

Checked

Studied

Answer

Correct Answer: Studied

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What can create a force?

Air pushing on a surface

A liquid object pushing on a surface

A rock dropped from a high place

Earth's gravity

A solid object pulling on another object

Answer

Correct Answer: Air pushing on a surface

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What does air do to a surface when air pressure is applied?

Bounce

Push

Neither push nor pull

Pull

Answer

Correct Answer: Push

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What is another name for an airfoil?

Rotor

Wing

Leaf

Blade

Answer

Correct Answer: Wing

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What is airfoil used to describe?

A missile

A boat

A propeller

A wing

Answer

Correct Answer: A wing

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What is an example of a fluid that produces lift?

Blood

Water

Oil

Mercury

Air

Answer

Correct Answer: Air

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What's a good example of an airfoil?

Boat

Wing

Sail

Airplane

Plane

Answer

Correct Answer: Wing

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What do wings help an object do when it moves through the air?

Produce thrust

Produce drag

Stick to the air

Produce lift

Keep the object from falling

Answer

Correct Answer: Produce lift

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What is an example of an airfoil?

Wing

Plane

Arrow

Boat

Answer

Correct Answer: Wing

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What are the molecules of air called?

Oxygen molecules

Air molecules

Nitrogen molecules

Answer

Correct Answer: Air molecules

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What are blimps?

They are giant helium-filled balloons

Balloons, kites, and dirigibles are all types of blimps

They are made of light materials

They are used to carry passengers or cargo

Answer

Correct Answer: They are giant helium-filled balloons

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What are the four basic types of aircraft?

Airplanes, jets and submarines

Planes, helicopters and blimps

Airplanes, helicopters, dirigibles and balloons

Airplanes, helicopters, blimps and jets

Airplanes, helicopters, trains and boats

Answer

Correct Answer: Airplanes, helicopters, blimps and jets

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On which side of the plane are the ailerons found?

Right

Left

Neither

Above the wing

Answer

Correct Answer: Right

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What is the name of the device on the leading edge of a plane that makes the plane roll?

Airfoil

Tailfin

Control surfaces

Wing

Answer

Correct Answer: Control surfaces

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What moves to the right will raise the aileron on the right wing and lower the aileron on the left wing?

Control stick

Rudder

Elevator

Answer

Correct Answer: Control stick

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What is used to make the aircraft roll?

Rudder

The wings

The fuselage

Ailerons

Answer

Correct Answer: Ailerons

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Ailerons on each wing are used for what?

Make the aircraft roll

Aid in flight

Control the aircraft's attitude

Change the aircraft's flight path

Answer

Correct Answer: Make the aircraft roll

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When flying straight and level, moving the control stick to the right will raise what on the right wing?

Flap

Elevator

Rudder

Aileron

Answer

Correct Answer: Aileron

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If the angle of attack is increased, it usually leads to an increase in what?

Speed

Lift

Drag

Drag coefficient

Answer

Correct Answer: Drag

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What is the study of how gases flow?

Physics of solid matter

Atmospheric science

Meteorology

Field of fluid dynamics

Chemistry

Answer

Correct Answer: Field of fluid dynamics

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More Aerospace & Aeronautical Engineering Subjects

Aeroelasticity

Aerospace Materials & Processes

Aircraft Design

Aircraft Maintenance

Aircraft Performance

Aircraft Safety and Regulations

Artificial Intelligence

Avionics

Combustion

Composite Materials

Computational Fluid Dynamics

Computer Programming

Finite Element Method

Fluid Mechanics

Guidance and Navigation

Hydraulic Machines

Machine Design

Machine Dynamics

Machine Kinematics

Manufacturing Engineering

Material Sciences

Mechatronics

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Neural Networks

Product Design and Development

Reliability Engineering

Robotics

Rocket Propulsion

Smart Materials

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Thermodynamics

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