Alberta Basic Security Training (ABST) Practice Exam 2024

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Study for the Alberta Basic Security Training (ABST) Exam. Study with flashcards and multiple choice questions. With over 500 questions. Updated for 2024. Get ready for your exam!

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What type of device uses a beam of light to transmit information to a controller?

Autosensor
Photosensor
Thermometer
Radar

The correct answer is: Photosensor

A Autosensor is not the correct option because it typically uses physical contact to detect motion rather than light. C: Thermometer measures temperature and does not use light to transmit information. D: Radar uses radio waves to transmit information rather than light.