The diagram below shows how a central heating system in a house works.
Summarise the information by selecting and reporting the main features, and make comparisons where
relevant.
This diagram provides an overview of a domestic central heating system. It shows how the tank, boiler and pipes
ensure a constant flow of hot water to both the radiators and the taps.
The cold water enters the house and is stored in a water storage tank in the roof. From there ü flows down to the
boiler, located on the ground floor of the house.
The boiler, which is fuelled by gas or oil, heats up the water as it passes through it. The hot water is then pumped
round the house through a system of pipes and flows into the radiators, located in different rooms. The water
circulates through the radiators, which have small tubes inside them to help distribute the heat, and this warms each
of the rooms. Some of the water is directed to the taps to provide hot water for the house.
Once the water has been through the pipes and radiators, it is returned to the boiler to be re-heated and circulated
round the house again.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2020-01-30 | kaka singh | 73 | view |
| 2020-01-30 | benj212 | 67 | view |
| 2020-01-30 | gulbakhyt_90 | 56 | view |
| 2020-01-29 | tranhien297 | 56 | view |
| 2020-01-29 | aria etemadi | 73 | view |
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- The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1990s. 78
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Grammar and spelling errors:
Line 6, column 101, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
... radiators, located in different rooms. The water circulates through the radiators...
^^^
Line 8, column 15, Rule ID: SOME_OF_THE[1]
Message: Simply use 'some'.
Suggestion: Some
...eat, and this warms each of the rooms. Some of the water is directed to the taps to provid...
^^^^^^^^^^^
Transition Words or Phrases used:
but, if, so, then
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 7.0 100% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 8.0 6.8 118% => OK
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 7.0 5.60731707317 125% => Less pronouns wanted
Preposition: 29.0 33.7804878049 86% => OK
Nominalization: 0.0 3.97073170732 0% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 772.0 965.302439024 80% => OK
No of words: 172.0 196.424390244 88% => More content wanted.
Chars per words: 4.48837209302 4.92477711251 91% => OK
Fourth root words length: 3.62144681703 3.73543355544 97% => OK
Word Length SD: 2.14675853351 2.65546596893 81% => OK
Unique words: 92.0 106.607317073 86% => More unique words wanted.
Unique words percentage: 0.53488372093 0.547539520022 98% => OK
syllable_count: 227.7 283.868780488 80% => OK
avg_syllables_per_word: 1.3 1.45097560976 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 1.53170731707 196% => OK
Article: 4.0 4.33902439024 92% => OK
Subordination: 0.0 1.07073170732 0% => More adverbial clause wanted.
Conjunction: 1.0 0.482926829268 207% => Less conjunction wanted as sentence beginning.
Preposition: 4.0 3.36585365854 119% => OK
Performance on sentences:
How many sentences: 9.0 8.94146341463 101% => OK
Sentence length: 19.0 22.4926829268 84% => The Avg. Sentence Length is relatively short.
Sentence length SD: 27.0025147434 43.030603864 63% => OK
Chars per sentence: 85.7777777778 112.824112599 76% => OK
Words per sentence: 19.1111111111 22.9334400587 83% => OK
Discourse Markers: 1.88888888889 5.23603664747 36% => More transition words/phrases wanted.
Paragraphs: 10.0 3.83414634146 261% => Less paragraphs wanted.
Language errors: 2.0 1.69756097561 118% => OK
Sentences with positive sentiment : 2.0 3.70975609756 54% => More positive sentences wanted.
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 7.0 4.09268292683 171% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.109647147445 0.215688989381 51% => OK
Sentence topic coherence: 0.0552521365088 0.103423049105 53% => OK
Sentence topic coherence SD: 0.0539960636822 0.0843802449381 64% => OK
Paragraph topic coherence: 0.051631041373 0.15604864568 33% => OK
Paragraph topic coherence SD: 0.0667047916459 0.0819641961636 81% => OK
Essay readability:
automated_readability_index: 9.3 13.2329268293 70% => Automated_readability_index is low.
flesch_reading_ease: 77.57 61.2550243902 127% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 7.2 10.3012195122 70% => OK
coleman_liau_index: 8.76 11.4140731707 77% => OK
dale_chall_readability_score: 7.33 8.06136585366 91% => OK
difficult_words: 30.0 40.7170731707 74% => More difficult words wanted.
linsear_write_formula: 7.5 11.4329268293 66% => OK
gunning_fog: 9.6 10.9970731707 87% => OK
text_standard: 8.0 11.0658536585 72% => OK
What are above readability scores?
---------------------
Maximum four paragraphs wanted.
Rates: 61.797752809 out of 100
Scores by essay e-grader: 5.5 Out of 9
---------------------
Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.