Examkin

Soru

Zorluk: KolayParagraph Summarization

Read the passage below:

Portable reverse osmosis water purification units allow field personnel to produce drinkable water from contaminated freshwater sources. The process begins when raw surface water is drawn through an intake strainer to block large debris like twigs and gravel. Next, the water passes through a multimedia sediment filter to eliminate suspended silt and fine turbidity. A high-pressure pump then forces the clarified water through semipermeable membranes that trap microscopic pathogens and dissolved minerals. Finally, small amounts of chlorine are injected into the treated water to prevent bacterial regrowth during storage and distribution.

Based on the passage, arrange the key steps of the water purification process in the correct chronological order from first to last.

  1. 1Straining raw water at the intake to capture large physical debris.
  2. 2Filtering out suspended silt and fine sediment.
  3. 3Pressurizing water through semipermeable membranes to remove pathogens and minerals.
  4. 4Adding chlorine to maintain purity and prevent bacterial growth during storage.

Cevap

The correct sequence is: Straining raw water at the intake to capture large physical debris, followed by filtering out suspended silt and fine sediment, then pressurizing water through semipermeable membranes to remove pathogens and minerals, and finally adding chlorine to maintain purity and prevent bacterial growth during storage.
The correct sequence mirrors the explicit chronological flow outlined in the paragraph: physical straining of large debris occurs first, followed by sediment filtration for fine silt, high-pressure membrane filtration for dissolved minerals and pathogens, and concluding with chlorination for safe storage.

Adım Adım Çözüm

1
Identify the introductory step described in the passage.
The text states that the process begins when raw water is drawn through an intake strainer to block large debris.
Tracking transitional sequence markers such as 'begins when' establishes the starting point.
2
Locate intermediate stages indicated by transitional words.
The text uses 'Next' to introduce multimedia sediment filtering, followed by 'then' to describe high-pressure membrane separation.
Chronological keywords show that sediment filtering precedes membrane filtration.
3
Identify the concluding stage of the procedure.
The word 'Finally' marks the injection of chlorine into the treated water before storage.
Concluding transition markers define the terminal action in the overall process summary.

Anahtar Kavram

Synthesizing and sequencing sequential main points to construct an accurate chronological summary of an informational passage.
Tahmini Süre:45s
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Konular

Paragraph Summarization

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