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Process Diagram

Band 5+: 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 contains a diagram of a geothermal power plant indicating the flow and transformation of energy through various components from a geothermal zone (hot rocks) beneath the earth's surface up to the power grid. Cold water is injected 4.5 km down into the geothermal zone where it is heated to produce steam which rises through a production well. The steam powers a turbine connected to a generator, producing electricity at 25 kV. The steam is then condensed, and the process repeats.

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 how cold water is used by Geothermal power plant to produce electricity.

Overall, the process consists of 5 stages, beginning with cold water and ending up with stream passing into generator turbine.

First of allcold water is pumped down into the ground which travels about 4.5km before passing through a injection well where geothermal zone is present. After going through hot rocks it passed to it’s next stage which is the production well, where the hot water is pumped back to the surface covering nearly about same distance as 4.5km to travel back to surface of ground .

In the next stage, the hot water is converted into stream through a condenser and is produced before a turbine where turbine is powered by steam which helps in the rotation of turbine and a generator is used which is powered by turbine that results in production electricity which is passed to the electric towers.

Word Count: 156

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Overall Band Score

5.5

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
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Grammar Mistakes: N/A

Vocabulary Repetition:

water: 5

which: 5

turbine: 4

through: 3

where: 3

Try using synonyms for the above words

Task Response

The main features are identified and summarized well. Some key details are missing, such as the specific distance the steam travels and the voltage of the electricity produced. Additionally, more comparisons could be made between the different stages of the process.

Coherence & Cohesion

The report is mostly coherent and cohesive, but there are some issues with sentence structure and linking words that affect the overall flow. The use of paragraphs could also be improved for better organization.

Lexical Resource

There is a good range of vocabulary used, but some inaccuracies and repetitions are present. More precise and varied vocabulary related to the process of geothermal energy production could enhance the report.

Grammatical Range & Accuracy

While a variety of sentence structures are attempted, there are noticeable grammatical errors throughout the report. Punctuation and tense consistency need improvement for a higher score.

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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 illustrates the process of generating electricity from geothermal energy using heat from beneath the Earth’s surface. Overall, the process involves four main stages: heat extraction, water injection, steam production, and electricity generation. Initially, cold water is pumped down through an injection well, which reaches deep underground where hot rocks are located. These rocks, […]

Band 8+

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 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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Band 5+

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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Band 6+

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 illustrates the processes involved in the production of electricity from geothermal energy and water. As an overview, there are five steps in the process, starting from pumping cold water into the geothermal zone to producing electricity from the generator. In the first step, cold water stored in the container is pumped down 4.5 […]

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Band 5+: 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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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

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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

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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