# Pre-test, Part 1 Master

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Wgrafton
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Quizzes Created: 4 | Total Attempts: 1,316
Questions: 24 | Attempts: 39

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• 1.

• 2.

• 3.

• 4.

• 5.

### Bernoulli's Principle states:

• A.

For every action there is an equal and opposite reaction.

• B.

Force equals mass times acceleration.

• C.

As the velocity of a fluid increases, the pressure exerted by the fluid decreases.

• D.

None of the above is correct.

C. As the velocity of a fluid increases, the pressure exerted by the fluid decreases.
Explanation
As the velocity of a fluid increases, the pressure exerted by the fluid decreases.

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• 6.

### The hot air balloon that made the first manned ascent was designed by

• A.

The Montgolfier brothers.

• B.

The Wright brothers.

• C.

Marquis Francois d'Arlandes and Pilatre d'Rozier.

• D.

Chuck Yeager

A. The Montgolfier brothers.
Explanation
the Montgolfier brothers designed the balloon, Marquis Francois d'Arlandes and Pilatre d'Rozier rode in it.

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• 7.

### Which engine does not require atmospheric air?

• A.

Reciprocating Engine

• B.

Jet

• C.

V-Inline Engine

• D.

Rocket

D. Rocket
Explanation
Rockets do not require atmospheric air because they carry an oxidizer onboard the spaceship.

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• 8.

### In this picture, what does the number 27 on the runway represent?

• A.

27Â° true North

• B.

270Â° magnetic North

• C.

27Â° magnetic North

• D.

270Â° true North

B. 270Â° magnetic North
Explanation
Runway headings are measured every 10Â° as the compass reads, so the picture represents 270Â° magnetic North

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• 9.

• A.

True

• B.

False

A. True
• 10.

### Looking at the diagram, what action does the aircraft do when it rotates around axis # 1. WORD BANK:  Yaw      Pitch       Roll** Must be spelled correctly.  If not, it will be counted as WRONG.

Pitch
Explanation
The aircraft pitches UP or DOWN by using the elevators.

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• 11.

### Looking at the diagram, what action does the aircraft do when it rotates around axis # 2. WORD BANK:  Yaw      Pitch       Roll** Must be spelled correctly.  If not, it will be counted as WRONG.

Roll
Explanation
The aircraft rolls LEFT or RIGHT by using the ailerons.

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• 12.

### Looking at the diagram, what action does the aircraft do when it rotates around axis # 3. WORD BANK:  Yaw      Pitch       Roll** Must be spelled correctly.  If not, it will be counted as WRONG.

Yaw
Explanation
The aircraft turns LEFT or RIGHT by using the rudder.

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• 13.

### Of all the wing shapes, the best geometry shape for slow flight is:

• A.

Swept Wing - Low Angle

• B.

Swept Wing - High Angle

• C.

Delta Wing

• D.

Straight wing - Constant Chord

D. Straight wing - Constant Chord
Explanation
Straight Wing- Constant Chord - which the Wright Brothers used, is the best wing shape for slow flight.

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• 14.

### This reciprocating engine pictured gets its’ name from what math/geometry principle?

• A.

• B.

The DIAMETER of a circle

• C.

The ACUTE ANGLE of a triangle

• D.

The PERIMETER of a square

A. The RADIUS of a circle
Explanation
The engine's pistons are the RADI of the circle and gets its name from the RADIUS.

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• 15.

### There is breathable oxygen in space.

• A.

True

• B.

False

B. False
Explanation
There is no breathable air in space - thus astronauts have to wear space suits with oxygen.

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• 16.

### What are the three (3) MAIN types of aerospace engines.  (Not the different kinds of each one)

• A.

Reciprocating

• B.

Turboprop

• C.

• D.

Turbojet

• E.

Scramjet

• F.

V-Inline

• G.

Jet (or Turbine Engine)

• H.

Turbofan

• I.

Plasma Drive

• J.

Rocket

• K.

Horizontally-Opposed

A. Reciprocating
G. Jet (or Turbine Engine)
J. Rocket
Explanation
The three MAIN types are: Reciprocating, Jet (or Turbine), and Rockets. All others are different kinds of the three main types.

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• 17.

### Air, while made up of different gasses, has the movement properties of a

• A.

Paper

• B.

Solid

• C.

Fluid

• D.

Organism

• E.

All of the Above

C. Fluid
Explanation
Air - indeed all gasses - have the movement properties of a FLUID.

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• 18.

### Of all the wing shapes, the best geometry shape for fast flight is:

• A.

Swept Wing - Low Angle

• B.

Swept Wing - High Angle

• C.

Delta Wing

• D.

Straight wing - Constant Chord

C. Delta Wing
Explanation
Straight Wing- Constant Chord - which the Wright Brothers used, is the best wing shape for slow flight.

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• 19.

### Which of the Four Forces of Flight is an aerodynamic force created by the shape of the airfoil?

• A.

Lift

• B.

Weight

• C.

Thrust

• D.

Drag

A. Lift
Explanation
Lift is created by the shape of the airfoil and generated by the forward motion of the aircraft.

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• 20.

### Which of the Four Forces of Flight is not constant and tries to pull the aircraft to the earth?

• A.

Lift

• B.

Weight

• C.

Thrust

• D.

Drag

B. Weight
Explanation
Weight (or Gravity) is not constant and tries to pull the aircraft to the earth.

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• 21.

### Which of the Four Forces of Flight pushes / pulls the aircraft through the air?

• A.

Lift

• B.

Weight

• C.

Thrust

• D.

Drag

C. Thrust
Explanation
Thrust is what pushes / pulls the aircraft through the air?

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• 22.

### Which of the Four Forces of Flight tries to pull the aircraft backward and slows the aircraft through the air?

• A.

Lift

• B.

Weight

• C.

Thrust

• D.

Drag

D. Drag
Explanation
Drag tries to pull the aircraft backward and slows the aircraft through the air.

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• Current Version
• Mar 19, 2023
Quiz Edited by
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• Jan 04, 2016
Quiz Created by
Wgrafton

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