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Process Diagram

Band 4+: The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image shows a labeled diagram of a geothermal power plant, with annotations indicating the flow of cold water down 4.5 km into the injection well, through the geothermal zone containing hot rocks, and up the production well as hot water, which powers a turbine connected to a generator that produces electricity, and then passes through a condenser to be pumped back down, completing the cycle.

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

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Note: Both the topic and the answer were created by one of our users.

The diagram illustrates the process of producing power that involve the use of geothermal power.

Overrall, cold water is pump down deep into ground to get heated up, the heated water is then processes into steam to power the generator to produce electricity.

The process start with cold water being pumped down 4.5km below the surface for it to reach the geothermal zone, where it will be stored in an injection well. From there, the cold water will flow through a pipe connected to the production well and get heated up as it travel. The heated water in the production well is then pump back on the ground level where it meets the condenser. The condenser will then processes the water into steam which will be used to power up the turbine, consequently, makes the generator produces electricity.

Word Count: 138

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Overall Band Score

(+/- 0.5)

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

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 6

heated: 4

power: 3

Try using synonyms for the above words

Task Response

4.5

The response addresses the task but lacks some key details and accuracy in describing the process. The overview is somewhat clear, but there are some inaccuracies in the description of the process. The report falls short of the required 150 words.

Coherence & Cohesion

3.5

The report is somewhat coherent, but there are issues with cohesion and paragraphing. The message is not always easy to follow due to the lack of clear sequencing and organization of ideas.

Lexical Resource

3.5

There is an attempt to use a range of vocabulary, but it is not always accurate or precise. Some inaccuracies and repetition are noticeable, affecting the overall lexical resource.

Grammatical Range & Accuracy

3.5

While a variety of structures are attempted, there are noticeable grammatical errors and inaccuracies throughout the report. Punctuation and sentence structures need improvement for better accuracy and coherence.

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Band 9

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Band 4+: The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Task Response

Coherence & Cohesion

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The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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