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The diagram below shows how a central heating system in a house works. v.1

The diagram below shows how a central heating system in a house works. v. 1
The given picture illustrates how a central heating system operates in a typical house in order to keep internal climate and tap water at a pre-set temperature. The process runs through two stages, starting at a transitory state until reaching a steady state. In the transitory stage, the main goal is to fill the heater´s piping circuit up with water. Initially, cold water is taken from the local water utility supplier and passed through a boiler, which is a device designed to exchange energy between burned fuel (gas or oil) and water, this fluid is then pumped through some tubes and radiators, which are equipment used for exchanging temperature between the running fluid and the air inside the house. Finally, water reaches back to the boiler. The amount of water taken from the utility service has a specific volume according to an engineering design, this stage continually repeats until the water gets a predefined temperature. Once the system has reached the pre-set temperature, that is when it gets to steady state, thanks to the high pressure on the piping circuit, water is transported to a storage tank from the boiler, after the storage tank is completed, water runs down to a sink and when the pressure again is high enough, water deviates towards a spare water tank which functions as a water reserve for when the service is interrupted.
The
This phrase/word (depending on the context) can be potentially replaced with :
given
picture illustrates how a central heating system operates in a typical
This phrase/word (depending on the context) can be potentially replaced with :
house
in order to
This phrase/word (depending on the context) can be potentially replaced with :
keep
internal climate and tap
You use this word too often, consider replacing it with
water
at a
Possible spelling mistake found.
pre-set
temperature. The process runs through two stages, starting at a transitory state until reaching a steady state.

In the transitory stage, the main goal is to fill the
The character between 'heater' and 's' is an accent character, not a standard apostrophe character. Use "heater’s" (curly apostrophe) or "heater's" (straight apostrophe).
heater´s
piping circuit up with
You use this word too often, consider replacing it with
water
.
Initially
,
This phrase/word (depending on the context) can be potentially replaced with :
cold
You use this word too often, consider replacing it with
water
is taken
from the local
You use this word too often, consider replacing it with
water
utility supplier and passed through a boiler, which is a device designed to exchange energy between burned fuel (gas or oil) and
You use this word too often, consider replacing it with
water
, this fluid is then pumped through
This phrase/word is too simple and can be replaced with:
some
tubes and radiators, which are equipment
This phrase/word (depending on the context) can be potentially replaced with :
used
for exchanging temperature between the running fluid and the air inside the
This phrase/word (depending on the context) can be potentially replaced with :
house
.
Finally
,
You use this word too often, consider replacing it with
water
reaches back to the boiler. The amount of
You use this word too often, consider replacing it with
water
taken from the utility service has a specific volume according to an engineering design, this stage
continually
repeats until the
You use this word too often, consider replacing it with
water
This phrase/word (depending on the context) can be potentially replaced with :
gets
a predefined temperature.

Once the system has reached the
Possible spelling mistake found.
pre-set
temperature,
that is
when it
This phrase/word (depending on the context) can be potentially replaced with :
gets
to steady state, thanks to the high pressure on the piping circuit,
You use this word too often, consider replacing it with
water
is transported
to a storage tank from the boiler, after the storage tank
is completed
,
You use this word too often, consider replacing it with
water
runs down to a sink and when the pressure again is high
This phrase/word is too simple and can be replaced with:
enough
,
You use this word too often, consider replacing it with
water
deviates towards a spare
You use this word too often, consider replacing it with
water
tank which functions as a
You use this word too often, consider replacing it with
water
reserve for when the service
is interrupted
.
2Linking words, meeting the goal of 7 or more
13Repeated words, meeting the goal of 3 or fewer
3Mistakes

IELTS academic The diagram below shows how a central heating system in a house works. v. 1

Academic
  American English
3 paragraphs
229 words
6.0
Overall Band Score
Coherence and Cohesion: 7.0
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • ?
    Include an introduction and conclusion
  • ?
    Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • ?
    Vary your linking phrases using synonyms
Lexical Resource: 5.0
  • 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
Labels Descriptions
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    Currently is not available
  • Meet the criteria
  • Doesn't meet the criteria
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