Wind Turbine Exam W/ Bernoulli Principal
.
- 1.Constructing a prototype comes before developing possible solutions.
- A.
True
- B.
False
- 2.A system with feedback is a open loop system.
- A.
True
- B.
False
- 3.All systems have both positive and negative outputs.
- A.
True
- B.
False
- 4.According to Bernoulli’s principle if velocity increases pressure _____________?
- A.
Increases
- B.
Decreases
- C.
Does Nothing
- D.
None of the Above
- E.
I Don't Know
- 5.According to Bernoulli’s principle if pressure increases then velocity must ______.
- A.
Decrease
- B.
Increase
- C.
Does Nothing.
- D.
None of the Above
- E.
I Don't Know
- 6.If the pressure under the wing of an airplane is greater than the pressure on top of the wing, the airplane should ______.
- A.
Fall
- B.
Land
- C.
Lift
- D.
A and B
- E.
I Don't Know
- 7.Energy an object has due to it's motion is______________.
- A.
Potential Energy
- B.
Kinetic Energy
- C.
Gravitational Energy
- D.
I Don't Know
- 8.Two balls are rolling at the same speed. One ball weighs more than the other. The heavier ball will have a __________ amount of kinetic energy.
- A.
Greater
- B.
Less
- C.
Equal
- D.
I Don't Know
- 9.A book is placed on a desk. As it falls off of the desk it is an example of ________________.
- A.
Kinetic energy converting into potential energy
- B.
Potential energy converting into kinetic energy
- C.
I Don't Know
- 10.What form of energy is the desired output of the wind turbine?
- A.
Electrical Energy
- B.
Mechanical Energy
- C.
Solar Energy
- D.
Kinetic Energy
- E.
I Don't Know
- 11.Wind turbines _______________ differnt forms of energy.
- A.
Convert
- B.
Create
- C.
Produce
- D.
I Don't Know
- 12.
![This is an example of a ____________ axis wind turbine? - ProProfs]( "This is an example of a ____________ axis wind turbine?")
This is an example of a ____________ axis wind turbine?- A.
Vertical
- B.
Horizontal
- C.
I Don't Know
- 13.Which of the following could be positive impacts of wind energy?(Hint: you can select more than one)
- A.
It is GREEN energy
- B.
It creates jobs
- C.
It is loud
- D.
It reduces our dependency on petroleum (gas & oil)
- E.
It can disrupt bird migration
- F.
It can reduce energy costs
- G.
I Don't Know
- 14.Which one is a renewable energy
- A.
Coal
- B.
Oil
- C.
WInd
- D.
Natural Gas
- E.
I Don't Know
- 15.Can Energy be Created
- A.
Yes
- B.
No
- 16.Which of the following is a form of energy
- A.
Solar
- B.
Nuclear
- C.
WInd
- D.
All of the above
- E.
I Don't Know
- 17.The Tech Design Process is NOT a continous loop of steps to be completed to help solve problems.
- A.
True
- B.
False
- 18.The "Testing and Evaluating" step consist of?
- A.
Implenting the soloution
- B.
Verifing if the solution works
- C.
Examining the effectiveness of the solution
- D.
All of the above
- E.
I Don't Know
- 19.___________ is the first step in the design process.
- A.
Gather Information
- B.
Redesign & Communicate
- C.
Understand the Problem
- D.
I Don't Know
- 20.Why is the Redesign & Communicate step of the design process important?
- A.
It helps to gather information about the problem.
- B.
It allows designs to be continually improved.
- C.
It helps to test design solutions.
- D.
I Don't Know
- 21.A group of parts working together to achieve a desired goal is a _____________.
- A.
Cycle
- B.
Machine
- C.
System
- D.
Technology
- E.
I Don't Know
- 22.The order of a system is _____________.
- A.
Output --> Input --> Process
- B.
Input --> Process --> Output
- C.
Input --> Output --> Process
- D.
I Don't Know
- 23.Resources are part of which step in the System's Model
- A.
Input
- B.
Process
- C.
Output
- D.
Feedback
- E.
I Don't Know
- 24.The spoiler of a car is shaped so that pressure stays on the _____ of the car.
- A.
Bottom
- B.
Top
- C.
Side
- D.
Opposite side
- E.
I Don't Know
- 25.Bernoulli's Principal applies to which of the following?There is more than 1 correct answer, please check all that can apply.
- A.
Sailing
- B.
Flight
- C.
Wind Turbines
- D.
Automotive Racing
- E.
I Don't Know
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