Water Purification & Filtration System
PTE CoreSpeakingDescribe ImageItem #29
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Process Diagram

Water Purification & Filtration System

Prep: 25s
Record: 40s
Look at the image below. In 25 seconds, please speak into the microphone and describe in detail what the image is showing. You will have 40 seconds to give your response.
Water Purification & Filtration System 1 Intake 2 Coagulation 3 Sedimentation 4 Filtration

Sample Answer & Key Features

Review official key features and a band-9 reference response

Key Points to Include in Your Description:
  • 1Four-stage municipal water purification process.
  • 2Raw water enters at intake before chemical coagulation.
  • 3Sedimentation settles out particles before final filtration.
  • 4Each stage progressively removes smaller impurities.