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Tests zum mechanischen Denken

Mechanical Reasoning Test – Force and Moment 1

Mechanical Reasoning Test – Force and Moment 2

Cogwheels, Wheels, Pulleys & Levers

Mechanical Reasoning Test – Cogwheels, Wheels, Pulleys and Levers 1

Mechanical Reasoning Test – Cogwheels, Wheels, Pulleys and Levers 2

Mechanical Reasoning Test – Velocity

Mechanical Reasoning Test – Electricity 1

Mechanical Reasoning Test – Electricity 2

Mechanical Reasoning Test – Fluids 1

Mechanical Reasoning Test – Fluids 2

Mechanical Reasoning Test – Thermodynamics

Mechanical Reasoning Test – Quantitative

Optics & Acoustics

Mechanical Reasoning Test – Optics

Mechanical Reasoning Test – Acoustics

Mechanical Reasoning Test – Tools

Mechanical Reasoning Test – Acoustics

Tests zum mechanischen Denken
Optics & Acoustics
Mechanical Reasoning Test – Acoustics

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Question 1 of 6
1. Question
Which instrument makes a higher pitch sound?
A. A
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B. B
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C. They are the same
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D. Need more information
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Question 2 of 6
2. Question
Which of the following statements is not true?
A. The siren as heard by observer B is higher pitched that normal.
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B. The siren as heard by observer A is lower pitched than normal.
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C. The siren as heard by observer B is higher pitched than the siren as heard by observer A.
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D. The siren is heard by both observers at the same pitch.
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Question 3 of 6
3. Question
Which object could be added to a room to reduce echoes?
A. A
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B. B
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C. They are equally effective at reducing echoes.
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D. Need more information.
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Question 4 of 6
4. Question
Which “tin can phone” is more effective?
A. A
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B. B
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C. They are equally as effective.
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D. Need more information.
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Question 5 of 6
5. Question
An effective way to determine if a train is nearby is to place your ear against the metal train track and listen for the sound of a train. By doing this it is possible to hear the train at a greater distance than you would normally hear the train coming. Why does this work?
A. The metal in the track is less dense than the air, allowing sound to travel further.
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B. This trick does not work.
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C. The sound of the train is reflected off the metal causing it to be louder.
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D. The metal in the track is denser than the air, allowing sound to travel further.
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Question 6 of 6
6. Question
A guitar player tunes the guitar by tightening or loosening each individual guitar string. When the string is tightened it produces a higher pitch, and when it is loosened it produces a lower pitch. Which of the following statements describes why this works?
A. The speed of a mechanical wave in the string is dependent on the tension of the string.
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B. Tightening the string pulls on the neck of the guitar, shortening the length of the guitar.
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C. Tightening the string stretches the string so that it is narrower.
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D. Guitars cannot be tuned this way.
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