Solar collector
The diagram represents the process of water heating in a double system: by means of anti-freeze fluid, which uses the solar energy to warm water up, and of the boiler. Generally, both of them supplement each other: if the weather is cloudy, the boiler can help, whereas if there are some problems with electricity – the major source of boiler’s work – water can be heated by the Sun.
Coldwater fills the tank where tubes of the boiler and the solar heating system coil. The system with the Sun energy consists of a closed pipe with anti-freeze fluid inside it. The controller regulates how cold fluid is pumped to the solar collector which is located on the top where it can consume direct rays of the Sun. When anti-freeze fluid leaves this collector, it is already heated. Then, it proceeds down right to the tank where it emits heat to make cold water hotter. From this tank water goes directly to taps.
Overall, the double-heating system reliably provides people with hot water regardless of the weather.
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- Some people think that paying tax is already a huge contribution to society. Others believe that there are other responsibilities. Discuss both views and present your opinion. 84
- Governments in many countries are urgently seeking ways to reduce unemployment in rural areas What are the most effective ways to do this Which measure do you think would be the single most effective step that governments could take 92
- Some people think learning musical instruments is a waste of time, while others think it is beneficial in many ways. Discuss both views and give your opinion. 89
Transition Words or Phrases used:
if, so, then, whereas
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 3.0 1.00243902439 299% => Less auxiliary verb wanted.
Conjunction : 2.0 6.8 29% => More conjunction wanted.
Relative clauses : 6.0 3.15609756098 190% => OK
Pronoun: 8.0 5.60731707317 143% => Less pronouns wanted
Preposition: 25.0 33.7804878049 74% => OK
Nominalization: 1.0 3.97073170732 25% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 857.0 965.302439024 89% => OK
No of words: 176.0 196.424390244 90% => More content wanted.
Chars per words: 4.86931818182 4.92477711251 99% => OK
Fourth root words length: 3.64232057368 3.73543355544 98% => OK
Word Length SD: 2.47922671062 2.65546596893 93% => OK
Unique words: 105.0 106.607317073 98% => OK
Unique words percentage: 0.596590909091 0.547539520022 109% => OK
syllable_count: 254.7 283.868780488 90% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 1.53170731707 131% => OK
Article: 5.0 4.33902439024 115% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 1.0 0.482926829268 207% => Less conjunction wanted as sentence beginning.
Preposition: 1.0 3.36585365854 30% => More preposition wanted as sentence beginning.
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: 53.1276124993 43.030603864 123% => OK
Chars per sentence: 95.2222222222 112.824112599 84% => OK
Words per sentence: 19.5555555556 22.9334400587 85% => OK
Discourse Markers: 2.33333333333 5.23603664747 45% => More transition words/phrases wanted.
Paragraphs: 3.0 3.83414634146 78% => More paragraphs wanted.
Language errors: 0.0 1.69756097561 0% => OK
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 6.0 4.09268292683 147% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.151809713717 0.215688989381 70% => OK
Sentence topic coherence: 0.0686403745802 0.103423049105 66% => OK
Sentence topic coherence SD: 0.0862979467605 0.0843802449381 102% => OK
Paragraph topic coherence: 0.0828163809016 0.15604864568 53% => OK
Paragraph topic coherence SD: 0.0825136241114 0.0819641961636 101% => OK
Essay readability:
automated_readability_index: 11.3 13.2329268293 85% => Automated_readability_index is low.
flesch_reading_ease: 69.11 61.2550243902 113% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 8.3 10.3012195122 81% => OK
coleman_liau_index: 10.97 11.4140731707 96% => OK
dale_chall_readability_score: 8.35 8.06136585366 104% => OK
difficult_words: 42.0 40.7170731707 103% => OK
linsear_write_formula: 13.5 11.4329268293 118% => OK
gunning_fog: 9.6 10.9970731707 87% => OK
text_standard: 11.0 11.0658536585 99% => OK
What are above readability scores?
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Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
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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.