Process Diagram

Band 5+: The diagram below shows how energy is produced from coal.

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Image for topic: The diagram below shows how energy is produced from coal.

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The image is a diagram illustrating the process of how energy is produced from coal. The process starts with coal being transported by a truck, then goes to the furnace where it is mixed with oxygen. Flue gases and hot exhaust gases are produced, which lead to a heat recovery steam generator. Steam is created and goes to a steam turbine that powers a generator to produce electricity. In the purification phase, raw syngas is produced, which undergoes removal of CO2, mercury, and sulfur to create purified syngas. Slag is a byproduct of this process. Gas turbine is also part of the process to generate electricity.

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

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The diagram illistrates the process generating electricity of the coal.

Overall, it is clear that energy is produces in 2 cycles involving, through Gas turbine and Steam turbine. It experiences several levels of processes.

Looking firstly at preparation of the energy, as soon as the coal is delivered by lorry to the power plant, is is carried along the conveyor belt, which goes into the burning furnace.Where there is added oxygen with coal. After that, it releases raw syngas. Subsequently, the harmful sunstances such as Mercury, Sulfur and Carboon dioxide undergo removing and become purified gases. Additionally, slag remains unchanged waste by product.

Turning to the generation, it passes through two ways. After removing of humful items the purified syngas is used to drive through gas turbine. Following that, it goes through generator, which is produce electricity. However, purified gases can also passes through gas turbine releasing hot exhaust gases. These are then piped to a heat recovery steam generator, which converts the beat into steam. Finally, the latter again used to generate energy.

Word Count: 174

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Overall Band Score

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Vocabulary Complexity:
C2 - Complex
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Grammar Mistakes: N/A

Vocabulary Repetition:

through: 5

turbine: 4

energy: 3

steam: 3

which: 3

purified: 3

gases: 3

Try using synonyms for the above words

Task Response

The report addresses the main stages of the process and attempts to describe the two cycles (gas and steam). However, there are several inaccuracies in the logical flow and technical descriptions. For example, the report states that the furnace releases raw syngas, whereas the visual description suggests the purification process is a separate phase involving syngas. Additionally, the description of the heat recovery process is somewhat confused. To improve, ensure that the sequence of events follows the diagram strictly and use more precise transitional phrases to connect the stages. Focus on improving grammatical accuracy, particularly regarding subject-verb agreement and word forms (e.g., 'is produces' should be 'is produced', 'humful' should be 'harmful').

Coherence & Cohesion

The report follows a logical progression, but the cohesion is frequently disrupted by grammatical errors and awkward phrasing. While you use transition words like 'Subsequently', 'Additionally', and 'Following that', some sentences are fragmented (e.g., 'Where there is added oxygen with coal.') or poorly connected. To improve, ensure that every sentence is a complete thought and that your linking words lead naturally into the next stage of the process without interrupting the flow.

Lexical Resource

There is an attempt to use vocabulary related to the diagram (e.g., 'purified syngas', 'heat recovery steam generator'), which is good. However, there are several spelling errors ('illistrates', 'sunstances', 'Carboon', 'humful', 'beat') and incorrect word choices ('remains unchanged waste by product'). Focus on accuracy in spelling and ensure that you are using the correct forms of words (e.g., using 'harmful substances' instead of 'humful items').

Grammatical Range & Accuracy

Grammatical errors are frequent and occasionally impede communication. There are issues with subject-verb agreement ('energy is produces', 'gases can also passes'), sentence structure ('is is carried'), and preposition usage. You should practice using passive voice more effectively, as this is the standard for describing processes (e.g., 'Coal is transported' instead of 'it is carried along'). Pay close attention to verb tenses and ensure that your sentence constructions are complete and grammatically sound.

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Band 5+: The diagram below shows how energy is produced from coal.

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Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

The diagram below shows how energy is produced from coal.

The diagram below shows how energy is produced from coal.

The diagram below shows how energy is produced from coal.

The diagram below shows how energy is produced from coal.

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IELTS writing task 1 describing the process of milk manufacture and marketing

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Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

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