Which sounds can be used to detect cracks in railway track?
Infrasonic sounds
Audible sounds
Ultrasonic sounds
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WORKING: Ultrasonic sensor is used to detect the crack on the railway track by not receiving the echo from the track; if the echo sound is received then no crack is detected on the track. The output of the ultrasonic sensor is given to the microcontroller, which is connected to the GPS, GSM and motor driver IC.
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Answer:
the answer is Ultrasonic Sounds
Explanation:
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