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The diagram shows how electricity is generated by a hydroelectric dam.

The diagram shows how electricity is generated by a hydroelectric dam. XKXw
The diagram illustrates the basic principles of hydroelectric power. The process requires the construction of a large dam connected to a powerhouse. The dam creates a large reservoir and the powerhouse is where the electricity is generated. First of all, water trapped in the reservoir behind the dam is forced through an intake. It then flows into a narrow chamber called a penstock, where the resulting high pressure turns a turbine. The turbine is connected to a generator in the powerhouse above, and this is where the movement of the turbine is converted into electricity. The resulting electricity leaves the powerhouse via cables that carry it over long distances to where it can be used. It is interesting to note that a hydroelectric dam creates no harmful byproducts and relies entirely on natural forces to produce electricity. After the turbine stage, water flows out through a second channel and into a river. The process is renewable, thanks to the water cycle in nature.
The diagram illustrates the basic principles of hydroelectric power. The process requires the construction of a large
You use this word too often, consider replacing it with
dam
connected to a
You use this word too often, consider replacing it with
powerhouse
.
Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
The
You use this word too often, consider replacing it with
dam
creates a large reservoir and the
You use this word too often, consider replacing it with
powerhouse
is where the
You use this word too often, consider replacing it with
electricity
is generated
.

This phrase is redundant. Consider using "first".
First of all
, water trapped in the reservoir behind the
You use this word too often, consider replacing it with
dam
is forced
through an intake. It then flows into a narrow chamber called a
Possible spelling mistake found.
penstock
, where the resulting high pressure turns a
You use this word too often, consider replacing it with
turbine
. The
You use this word too often, consider replacing it with
turbine
is connected
to a generator in the
You use this word too often, consider replacing it with
powerhouse
above, and this is where the movement of the
You use this word too often, consider replacing it with
turbine
is converted
into
You use this word too often, consider replacing it with
electricity
. The resulting
You use this word too often, consider replacing it with
electricity
This phrase/word (depending on the context) can be potentially replaced with :
leaves
the
You use this word too often, consider replacing it with
powerhouse
via cables that carry it over long distances to where it can be
This phrase/word (depending on the context) can be potentially replaced with :
used
.

It is interesting to note that a hydroelectric
You use this word too often, consider replacing it with
dam
creates no harmful byproducts and relies
entirely
on natural forces to produce
You use this word too often, consider replacing it with
electricity
. After the
You use this word too often, consider replacing it with
turbine
stage, water flows out through a second channel and into a river. The process is renewable, thanks to the water cycle in nature.

IELTS academic The diagram shows how electricity is generated by a hydroelectric dam.

Academic
  American English
3 paragraphs
163 words
6.0
Overall Band Score
Coherence and Cohesion: 6.5
  • Structure your answers in logical paragraphs
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    One main idea per paragraph
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    Include an introduction and conclusion
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    Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
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    Vary your linking phrases using synonyms
Lexical Resource: 6.0
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.5
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 5.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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