{"id":1999,"date":"2024-07-31T18:06:57","date_gmt":"2024-07-31T18:06:57","guid":{"rendered":"https:\/\/svestudy.com\/?page_id=1999"},"modified":"2025-05-11T10:55:33","modified_gmt":"2025-05-11T10:55:33","slug":"ame-unit-9-q12","status":"publish","type":"page","link":"https:\/\/svestudy.com\/?page_id=1999","title":{"rendered":"AME Unit 9 Q12"},"content":{"rendered":"\n
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(a) Explain, with the aid of a sketch, how the fluid level in a tank can be measured using ultrasound energy.(6)
(b) State TWO advantages of using ultrasound.(2)
(c) State TWO limitations of this type of measuring device.(2)<\/p>\n\n\n

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Ultrasonic Level Measurement<\/p>\n\t\t\t

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Ultrasonic level sensors utilize sound waves to accurately determine the fluid level within a tank. This non-invasive method offers several advantages over traditional methods. \u00a0<\/a><\/p>\n\n\n\n

1. Ultrasonic Tank Level Measurement versus Traditional Methods of Determining Tank Liquid Level – Coltraco <\/a><\/a><\/a><\/p>\n\n\n\n

How it Works:<\/h3>\n\n\n\n
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  1. Ultrasonic Pulse Emission:<\/strong> The sensor transmits a high-frequency sound pulse towards the liquid surface. \u00a0 <\/a>1. Ultrasonic Tank Level Measurement versus Traditional Methods of Determining Tank Liquid Level – Coltraco <\/a><\/a><\/a><\/a>coltraco.com<\/a><\/a><\/li>\n\n\n\n
  2. Echo Reception:<\/strong> The sound wave travels through the air, strikes the liquid surface, and is reflected back to the sensor as an echo.<\/li>\n\n\n\n
  3. Time Measurement:<\/strong> The sensor precisely measures the time it takes for the ultrasonic pulse to travel to the liquid surface and return. \u00a0 <\/a>1. How Ultrasonic Sensors Work – MaxBotix <\/a><\/a><\/a><\/a>maxbotix.com<\/a><\/a><\/li>\n\n\n\n
  4. Distance Calculation:<\/strong> The speed of sound in air is known, so the distance to the liquid surface can be calculated based on the measured time. \u00a0 <\/a>1. The Speed of Sound – Physics Tutorial <\/a><\/a><\/a><\/a>www.physicsclassroom.com<\/a><\/a><\/li>\n\n\n\n
  5. Level Determination:<\/strong> By subtracting the distance from the sensor to the liquid surface from the total tank height, the fluid level is determined.<\/li>\n<\/ol>\n\n\n\n

    Key Components:<\/h3>\n\n\n\n