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Process Diagram

Band 8+: You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

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Image for topic: You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

Our system will evaluate the answer based on this AI-generated description.

The image illustrates the process of producing electricity from coal, starting from a mine where coal is extracted and moved to a crusher. Post-crushing, the coal undergoes a cooling process generating gas and waste heat. The gas is then cleaned and directed to a gas power plant that produces electricity. During this process, additional waste heat is generated. The gas also flows into a gasifier, which contributes heat back into the system.

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 shows how electricity is produced from coal.

Overall, the process has several stages, starting with mining coal and ending with supplying electricity to users. Gas is produced from coal before electricity is generated, and waste heat is released in some stages.

First, coal is taken from the mine and sent to a crusher, where it is broken into smaller pieces. After that, the coal is transported to a gasifier. Heat is added in this stage, and the coal is changed into gas. The gas then goes through a cooling process, during which waste heat is produced.

Next, the gas is cleaned to remove unwanted materials. Once the gas is clean, it is sent to a gas power plant. In this plant, the gas is used to produce electricity, and some waste heat is also released.

Finally, the electricity is delivered through power lines to factories and homes.

Word Count: 149

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

electricity: 5

waste: 3

Try using synonyms for the above words

Task Response

The report adequately covers the main stages of electricity production from coal, presenting a clear overview of the process. The description of each stage is generally accurate and easy to follow. To improve, consider incorporating more specific details and comparisons to enhance the summary's depth and analytical quality. For example, mentioning the closed-loop aspect of the gasifier contributing heat back into the system would add value. Also, ensure a more consistent level of detail across all stages to provide a more balanced representation of the process. The report falls short of the required 150 words.

Coherence & Cohesion

The report is very easy to follow, with a clear and logical progression of ideas. The use of cohesive devices is natural and effective, contributing to the overall clarity of the summary. Paragraphing is well-managed, with each paragraph focusing on a distinct stage of the process.

Lexical Resource

The report demonstrates a wide range of vocabulary used accurately and appropriately. The language is precise and effectively describes the different stages of the electricity production process. There is a sophisticated control of lexical features.

Grammatical Range & Accuracy

The report exhibits a wide range of grammatical structures used with full flexibility and control. Grammar and punctuation are accurate throughout. The writing is error-free.

Answers On The Same Topic:

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

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Band 6+

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Band 6+

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

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Band 7+

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Band 5+

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Band 8+: You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

You should spend about 20 minutes on this task. The diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words.

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Coherence & Cohesion

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Grammatical Range & Accuracy

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