Process Diagram

Band 7+: The diagrams below show the amount of energy lost in 100 units when it is generated from black coal and when it is generated from brown coal. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The diagrams below show the amount of energy lost in 100 units when it is generated from black coal and when it is generated from brown coal. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image illustrates the loss in the generation of electricity from brown coal and black coal: for brown coal, fuel energy input is 100 units, with a power station loss of 70 units, delivering 30 units to transportation and distribution that incur a 3-unit loss, resulting in a consumer receiving 27 units; for black coal, fuel energy input is 100 units, with a power station loss of 68 units, delivering 32 units to transportation and distribution that incur a 3-unit loss, resulting in a consumer receiving 29 units.

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 how much energy is lost per 100 units, generated by two types of coals, black and brown.

Overall, the process includes four stages in both of the coals, starting with mining coals and then delivering it to the power station, followed by transmission and distribution to consumers in the end. Notably, brown coal generation is more energy-consuming compared to black coal.

Initially, black and brown coals are mined and placed in a cart which constitutes 100 units, after which it is delivered to the power station. In the power station, while the black coal loses 68 units, the brown coal loses 5 more units, a total of 73 units during generating the energy. Before proceeding to the next stage, transmission, the former accounts for 32 units, while the latter remains only for 27 units.

In the next stage, where the coal is transferred; 3 units are lost regardless of the coal. After this, energy is distributed to consumers in the amount of 29 units for black coal and 24 units for brown coal.

Word Count: 179

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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:

units: 9

black: 5

coals: 4

brown: 4

energy: 3

power: 3

station: 3

Try using synonyms for the above words

Task Response

The report covers the main features of the diagrams and makes relevant comparisons. There are some inaccuracies in the data reported, for example, the report states that brown coal loses 73 units in the power station, while the diagram shows 70 units. Also, the report states that 24 units are distributed to consumers for brown coal, while the diagram shows 27 units. To improve, ensure that all data reported is accurate and consistent with the diagrams.

Coherence & Cohesion

The report is generally well-organized with a clear structure, but there are some areas where coherence could be improved. The flow between sentences and paragraphs is mostly smooth, but some transitions could be more explicit to guide the reader. For example, in the third paragraph, the transition to discussing the transmission stage could be smoother. Consider using cohesive devices like 'Subsequently' or 'Following this' to enhance the logical progression of ideas.

Lexical Resource

The report demonstrates a good range of vocabulary, but there's room for more precise and sophisticated word choices. For instance, instead of repeatedly using 'loses,' consider using synonyms like 'dissipates,' 'is consumed,' or 'is reduced.' Also, while the vocabulary is generally accurate, ensure that the collocations are natural and idiomatic. For example, 'energy-consuming' is acceptable, but rephrasing it as 'less energy-efficient' could add nuance.

Grammatical Range & Accuracy

The report exhibits a good command of grammar, but there are a few errors that need attention. For example, in the second paragraph, 'brown coal loses 5 more units, a total of 73 units during generating the energy' could be revised for clarity and grammatical correctness. Consider restructuring it as 'brown coal loses an additional 5 units, totaling 73 units during energy generation.' Pay close attention to subject-verb agreement, article usage, and sentence structure to enhance grammatical accuracy.

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