Process Diagram

Band 6+: The diagram shows how clean water is produced by solar panels

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Image for topic: The diagram shows how clean water is produced by solar panels

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The image shows a diagram of how water is produced by solar panels and a water filter. The diagram includes 150-300W solar panels connected to a solar controller, leading to a DC sub-mersible pump in a well that is 10-50m deep. The water then passes through a 3 stage water filter before reaching a water storage tank labeled "Drinking Water."

Given the complexity of the image, the above description may not be entirely accurate.

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The diagram mentioned illustrates the process of producing water by solar panels and water filter.

The system comprises of five main components and predominantly performs overground. There are two main stages of operations: collecting solar energy to pump water and filtering it.

In terms of design, the system consist of solar panels, a solar controller with a capacity ranging from 150 to 300W, a submersible pump installed in a well about 10 to 50 meters deep, connected to a 3 stage water filter, and lastly a water container.

During operation, sunlight is first converted into energy through solar panels.Here, solar controller readjust the voltage and distribute currents to the underground pump, where water is led through the 3 stage filter to ensure safety. By then, water is stored in the fluid tank, and can be drinkable.

Word Count: 136

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Overall Band Score

6.5

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 7

solar: 6

Try using synonyms for the above words

Task Response

The report adequately describes the process of water production using solar panels and a water filter. The main components and stages are identified, and the explanation of the operation is clear. To improve, consider adding more specific details about each stage of the filtration process and the role of each filter. Also, ensure that the description is comprehensive and includes all key aspects of the diagram. The report falls short of the required 150 words.

Coherence & Cohesion

The report is generally well-organized with a clear introduction, body, and conclusion. The information is presented in a logical sequence, making it easy to follow the process described in the diagram. However, the transition between stages could be smoother. Consider using more varied cohesive devices to enhance the flow of information. For example, instead of simply stating 'During operation,' you could use phrases like 'Subsequently' or 'Following the energy conversion' to create a more seamless connection between the steps.

Lexical Resource

The report demonstrates a good range of vocabulary related to the topic. Terms like 'submersible pump,' 'solar controller,' and '3 stage water filter' are used appropriately. However, there's room to enhance the sophistication of the language. For instance, instead of 'water container,' you could use 'water storage tank' to more closely align with the diagram's terminology. Also, consider using more precise language to describe the functions of each component.

Grammatical Range & Accuracy

The report demonstrates a good command of grammar with only minor errors. The sentence structures are varied, and the punctuation is generally accurate. However, there are a few instances where the grammar could be improved. For example, 'solar controller readjust the voltage' should be 'solar controller readjusts the voltage.' Also, 'can be drinkable' could be rephrased as 'is drinkable' for better clarity. Proofreading carefully for subject-verb agreement and correct article usage will further enhance the grammatical accuracy.

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