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Sensor Motion Sensor

Authored by ALAIN Cheong

Professional Development

12th Grade

Used 3+ times

Sensor Motion Sensor
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a motion detector?

A device used to detect physical movement in a given area

A device used to detect temperature changes

A device used to detect sound waves

A device used to detect light levels

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary use of motion detectors?

Energy management systems

Customer communication in retail stores

Intrusion detection systems

Temperature control systems

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following industries can utilize motion detectors for customer communication?

Healthcare

Agriculture

Retail

Construction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What other types of movements can motion detectors decipher besides human movements?

Temperature changes

Sound waves

Light levels

All of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a PIR motion sensor detect?

Sound waves

Visible light

Ultrasonic waves

Infrared energy (body heat)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an ultrasonic motion sensor detect movement?

By measuring the reflection off a moving object

By detecting body heat

By detecting sound waves

By measuring the reflection off a stationary object

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of motion sensor covers a larger area than infrared and ultrasonic sensors?

Microwave

Passive Infrared (PIR)

Ultrasonic

Mechanical Limit switch

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