Process Diagram

Band 6+: The bar chart below shows how ethanol fuel is produced from corn.

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Image for topic: The bar chart below shows how ethanol fuel is produced from corn.

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The image depicts an ethanol fuel production process from corn involving nine steps: 1. storing, 2. milling, 3. cooking (with added water), 4. fermenting (48 hours), 5. separating into liquid and solid by-product forms, 6. purifying (5 hours), 7. storing, 8. transporting using trucks, and 9. fueling at stations.

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

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The given diagram illustrates how corn is being used to produce ethanol fuel.

Overall, the corn needs to undergo a complex process with a total of eight stages, being changed physically into different conditions and chemically, before being distributed to gas stations as fuel.

To begin with, the corn is preserved in storage before being sent to the engine-driven mill, where it’s being grinded to small particles. Moving to the next stage, the crushed corn is moved to a large cylindrical device, where it’s cooked with the addition of water. Next step includes this product being transferred by pipes to the next cylinder, where the process of fermentation occurs for a total of 45 hours. Following this, on the fifth stage the previous outcome is being separated into liquid and solid by-products that won’t be needed for our fuel.

After this the purifying happens, taking 5 hours, finally biologically transforming a product into ethanol. At the end, it’s being stored, before being transported by trucks to the gas stations.

Word Count: 169

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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:

being: 9

before: 3

where: 3

Try using synonyms for the above words

Task Response

The report adequately covers the process of ethanol production from corn, presenting a clear overview and detailing the key stages. However, there's room for improvement in terms of providing more specific details and enhancing the overall structure. To improve, consider incorporating more precise language and transitions to enhance clarity and flow. Additionally, ensure that all stages are described with sufficient detail to provide a comprehensive understanding of the process.

Coherence & Cohesion

The report presents a generally clear description of the ethanol production process. The overall structure is logical, progressing through the stages sequentially. However, there are instances where transitions between stages could be smoother to enhance the flow of information. For example, using more varied cohesive devices (e.g., 'subsequently,' 'thereafter') could improve the connections between sentences and paragraphs. Paragraphing is generally adequate, but consider whether breaking down longer paragraphs could improve readability.

Lexical Resource

The report demonstrates a sufficient range of vocabulary to describe the process. Terms like 'engine-driven mill,' 'cylindrical device,' and 'fermentation' are appropriate. However, there's room to enhance the lexical resource by incorporating more specific or technical vocabulary related to ethanol production. For instance, instead of 'being grinded to small particles,' more precise terminology could be used. Varying word choices and avoiding repetition of simple words can also elevate the writing.

Grammatical Range & Accuracy

The report exhibits a mix of simple and complex sentence structures. While most sentences are grammatically correct, there are some errors that affect clarity. For example, phrases like 'being changed physically into different conditions and chemically' and 'the previous outcome is being separated' contain awkward phrasing or incorrect verb forms. Pay close attention to verb tenses, subject-verb agreement, and the correct use of articles and prepositions. Proofreading carefully to eliminate these errors will improve the overall grammatical accuracy.

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