Pre-test, Part 1 Master

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| By Wgrafton

Wgrafton

Community Contributor

Quizzes Created: 4 | Total Attempts: 1,138

Questions: 24 | Attempts: 39 | Updated: Mar 19, 2023

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INSTRUCTIONS: Answer the questions to the best of your ability. Do not put “IDK” if you do not know an answer, instead answer it to the best of your ability. You will get $2 or more per question that you answer correctly, $1 for every question that you try to answer but don’t have the correct answer, and you will get $0 if you do not try to answer the question or if you put something silly down. These are similar to the questions that you had on your semester pre-test.

Questions and Answers

1.

What does the word "aerodynamics" mean?
2.

What are the three states of matter?
3.

Essay Question1. **** In the box below, write the word "ESSAY" 2. You will write the actual essay on today's answer document when you get it from Mr. St. Pierre. You will answer the question on the written document, not on the computer. This spot just gives me a place to assign a score once I grade your answer document.
4.

Diagram and Label how lift is produced according to Bernoulli's and Newton's theories.1. In the box below, write the word "LIFT"2. You will complete the diagram on today's answer document when you get it from Mr. St. Pierre. You will answer the question on the written document, not on the computer. This spot just gives me a place to assign a score once I grade your answer document.
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.
Correct Answer
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
Correct Answer
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
Correct Answer
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.
  
  27° true North
- B.
  
  270° magnetic North
- C.
  
  27° magnetic North
- D.
  
  270° true North
Correct Answer
B. 270° magnetic North

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

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9.

Hot air is less dense than cold air, which is how balloons filled with hot air can fly.
- A.
  
  True
- B.
  
  False
Correct Answer
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.

Correct Answer
Pitch

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

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4
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.

Correct Answer
Roll

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

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4
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.

Correct Answer
Yaw

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

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4
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
Correct Answer
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.
  
  The RADIUS of a circle
- B.
  
  The DIAMETER of a circle
- C.
  
  The ACUTE ANGLE of a triangle
- D.
  
  The PERIMETER of a square
Correct Answer
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
Correct Answer
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.
  
  Radial
- D.
  
  Turbojet
- E.
  
  Scramjet
- F.
  
  V-Inline
- G.
  
  Jet (or Turbine Engine)
- H.
  
  Turbofan
- I.
  
  Plasma Drive
- J.
  
  Rocket
- K.
  
  Horizontally-Opposed
Correct Answer(s)
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
Correct Answer
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
Correct Answer
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
Correct Answer
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
Correct Answer
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
Correct Answer
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
Correct Answer
D. Drag

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

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Pre-test, Part 1 Master

What does the word "aerodynamics" mean?

What are the three states of matter?

Bernoulli's Principle states:

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

Which engine does not require atmospheric air?

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

Hot air is less dense than cold air, which is how balloons filled with hot air can fly.

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.

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.

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.

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

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

There is breathable oxygen in space.

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

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

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

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

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

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

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