Process Diagram

Band 5+: Write about the following topic: The diagram below shows a possible future means of home energy production. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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Image for topic: Write about the following topic: The diagram below shows a possible future means of home energy production. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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The image depicts a system for generating electricity using compost. It illustrates a process starting with a steel tank filled three-quarters with compost material like leaves, food scraps, and water, which ferments to produce methane gas. The gas outflows to a methane gas storage which is connected to a compressor that outputs compressed gas. This compressed gas supplies a combustion engine, creating mechanical energy, which powers a generator to produce electrical energy. Finally, this electrical energy is stored in a battery for use in home electricity consumption.

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 protocol of making home energy by ourself rather than purchasing from the market.

Overall, the method for home energy production is a quite linear and straightforward to follow, but it consists of a huge machine to generate electricity, which may consume a big space.

In the first step, take a steel tank, filled it with compost like leaves, food scraps, and water. Later on, all materials are fermented and methane gas is released. This gas is extracted and stored into the large tank. Moreover, the storage tank is connected with the compressor, which aids to compressed gas out to the combustion engine.

In addition, from the combustion engine, the methane gas is converted into mechanical energy, and is passed out towards the generator. After that, generator is utilized to produce electrical energy from mechanical energy. Then after, the amount of electrical energy is stored in the generator, which line is interlinked with the home power line. Ultimately, the electrical energy which has generated is used to supply to every house.

Word Count: 174

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Overall Band Score

5.5

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
Continue to challenge and refine your language choices.

Grammar Mistakes: N/A

Vocabulary Repetition:

energy: 7

which: 4

generator: 3

electrical: 3

Try using synonyms for the above words

Task Response

The report covers all the main stages of the process and provides a clear overview of the system. The sequence of events is logically organized, making the process easy to follow. To improve, ensure more precise use of technical vocabulary and grammatical structures; for example, avoid using 'by ourself' and instead use 'on-site' or 'independently.' Additionally, be careful with technical accuracy in the description - the report mentions storing energy in the 'generator' when the visual description specifies a 'battery.' Refining these small details and improving sentence cohesion would elevate the response.

Coherence & Cohesion

The report follows a logical sequence, but the progression is occasionally hindered by repetitive transition signals (e.g., 'In the first step', 'Later on', 'In addition', 'After that', 'Then after', 'Ultimately'). To improve, try to use a wider variety of cohesive devices and focus on how one stage naturally leads to the next. Some sentences are slightly disjointed, and the use of 'Then after' is non-standard; 'Subsequently' or 'Following this' would be more appropriate. Ensure that the relationship between stages is expressed through complex sentence structures rather than just a list of chronological steps.

Lexical Resource

The vocabulary is functional but lacks the sophistication required for higher bands. There are several instances of imprecise word choices, such as 'protocol of making home energy' (which should be 'process of generating') and 'by ourself' (which is grammatically incorrect and informal). The term 'huge machine' is quite informal; 'complex system' or 'large-scale apparatus' would be better. Additionally, there is a factual error in the description where the student states energy is stored in the 'generator' instead of the 'battery'. Aim to use more technical and precise verbs (e.g., 'converted', 'transformed', 'distributed') to describe the process.

Grammatical Range & Accuracy

The report relies heavily on simple sentence structures and contains several grammatical errors that affect the flow. For example, 'take a steel tank, filled it' is an incorrect imperative/past participle construction; it should be 'a steel tank is filled'. There are issues with subject-verb agreement and article usage (e.g., 'after that, generator is utilized' should be 'after that, the generator is utilized'). There is also a confusion in the phrase 'which aids to compressed gas out', which is ungrammatical. To improve, practice using passive voice more effectively, as it is the standard for describing processes (e.g., 'the gas is compressed' rather than 'the compressor aids to compressed gas').

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Band 5+: Write about the following topic: The diagram below shows a possible future means of home energy production. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

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Write about the following topic: The diagram below shows a possible future means of home energy production. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Write about the following topic: The diagram below shows a possible future means of home energy production. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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summarise the onformations by seleting and reporting the main features.

Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

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