Process Diagram

Band 6+: The diagrams below shows how a central heating systems in a house works

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The image depicts a schematic of a central heating system within a house, illustrating the flow and components involved. Water tanks at the top are filled, supplying cold water into the house and storage tank, with an overflow pipe connected. The storage tank distributes hot water to taps, while the boiler (using gas or oil) situated at the bottom heats the water, and a pump circulates it through hot water radiators via small tubes and pipes.

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 below demonstrates the way of heating system center works in a house, including the machine and component that involved in it.

Overall, the heating process will pass through several steps starting from the entrance of cold water into the house to fill the storage tank. The water is then heated in a complex boiler system before it can be used in taps.

The first step in heating system operation is that water flow into house throughout a pipe. This water collected in a storage tank and the exceeded ones will be placed in a separate water tank. The next part is a complicated step, because the water in storage tank is distributed to a long heater system. It consists of boiler which can either use gas or oil as its fuel, a pump, and four hot water radiators made of small tubes. At this time, you can set the temperature level that is needed. After the heating process finish, hot water will fill the storage tank again. Finally, the hot water is ready to used in your taps to fulfill your daily needs.

Word Count: 185

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Overall Band Score

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

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 9

heating: 4

system: 4

storage: 4

house: 3

Try using synonyms for the above words

Task Response

The report adequately covers the main features of the central heating system diagram. The description is generally clear and follows a logical progression. To improve, focus on providing more specific details about the components and their relationships, and ensure consistent and accurate use of terminology. Also, avoid using conversational phrases like 'you can set the temperature level that is needed' and 'in your taps to fulfill your daily needs' to maintain a formal tone.

Coherence & Cohesion

The report is generally understandable, but the organization could be improved. The introduction and overview are present, but the body paragraphs lack clear topic sentences and transitions. Consider using more cohesive devices to link ideas within and between paragraphs. For example, using phrases like 'Following this,' 'Subsequently,' or 'In addition to' can enhance the flow. The paragraphing is acceptable, but could be more skillfully managed to improve clarity.

Lexical Resource

The vocabulary used is adequate for the task, but there's room for improvement in terms of precision and sophistication. While the report conveys the main points, using more specific and varied vocabulary related to heating systems would enhance the description. For instance, instead of 'long heater system,' consider using more precise terms like 'boiler system' or 'heating circuit.' Also, avoid informal language like 'your taps' and opt for more formal alternatives such as 'household taps'.

Grammatical Range & Accuracy

The report demonstrates a fair range of grammatical structures, but there are noticeable errors that affect clarity. Errors such as 'way of heating system center works' and 'water flow into house throughout a pipe' need correction. Focus on subject-verb agreement, correct article usage, and accurate preposition usage. While the overall meaning is clear, improving grammatical accuracy will significantly enhance the report's quality.

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