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Motion Devices and Sensors Quiz

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Questions and Answers

What is the unit of measurement for accelerometers?

Degrees Celsius (°C)

Miles per hour (mph)

Meters per second squared (m/s2) (correct)

Kilograms (kg)

Which type of sensor is used to measure the rotational speed of an object?

Tachometer (correct)

Resolver

Accelerometer

Potentiometer

Which type of tachometer can perform statistical functions and store readings?

Piezoelectric accelerometer

Linear potentiometer

Analog tachometer

Digital tachometer (correct)

What is the function of a piezoresistive accelerometer?

Change resistivity in response to stress Signup and view all the answers

What is the primary role of encoders in motion devices?

Report the physical position of an object Signup and view all the answers

In relation to motion devices, what does 'accuracy' refer to?

The maximum deviation between desired and actual position Signup and view all the answers

Which sensor can convert rotary or linear displacement to resistance?

Potentiometer Signup and view all the answers

What is the key difference between contact and non-contact tachometers?

Contact type tachometers require physical contact with the object being measured, non-contact do not. Signup and view all the answers

What is the role of resolvers in motion devices?