Whether hydrogen fuel-cell engines are better substitute for internal-combustion engines or not?
The reading and the lecture discuss whether the hydrogen-based fuel-cell engines will replace the internal-combustion or not. The text offers three advantages of fuel-cell engines to confirm they will use instead of the internal-combustion engines. However, The lecture opposes all the advantages of the fuel-cell engines.
First, the reading believes that internal-combustion engines rely on petroleum, which is finite sources. Nevertheless, hydrogen can exists from water or gas. The lecture argues against that and explains, for using hydrogen, it should change to liquid hydrogen, which is very hard to produce. Moreover, to produce liquid hydrogen, we need a cold laboratory, which is impossible.
Second, the reading believes that using the hydrogen-based fuel-cell engines in the cars reduce air pollution. As cars are the main source of air pollution. On the other hand, the lecture explains, producing pure hydrogen requires burning lots of energy, such as coal and oil, which is polluted the environment.
Third, the author believes that people will spend less money on fuel-cell engines. In contrast, the professor asserts that fuel-cell engines are required platinum to operate, which is a very expensive substance. Also, the fuel-cell engines, don't go under reaction in the absence of platinum.
In conclusion, although the author mentions three advantages of the fuel-cell engines, the lecturer disproves all the advantages.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2020-05-28 | zg1122 | 80 | view |
| 2016-07-21 | Vida Pashaei | 86 | view |
| 2016-07-21 | Vida Pashaei | 86 | view |
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Grammar and spelling errors:
Line 2, column 132, Rule ID: DID_BASEFORM[2]
Message: The verb 'can' requires the base form of the verb: 'exist'
Suggestion: exist
...ite sources. Nevertheless, hydrogen can exists from water or gas. The lecture argues a...
^^^^^^
Line 3, column 111, Rule ID: SENTENCE_FRAGMENT[1]
Message: “As” at the beginning of a sentence requires a 2nd clause. Maybe a comma, question or exclamation mark is missing, or the sentence is incomplete and should be joined with the following sentence.
...gines in the cars reduce air pollution. As cars are the main source of air polluti...
^^
Line 4, column 241, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
...substance. Also, the fuel-cell engines, dont go under reaction in the absence of pla...
^^^^
Transition Words or Phrases used:
also, first, however, moreover, nevertheless, second, so, third, in conclusion, in contrast, such as, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 10.4613686534 67% => OK
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 8.0 22.412803532 36% => OK
Preposition: 22.0 30.3222958057 73% => OK
Nominalization: 9.0 5.01324503311 180% => OK
Performance on vocabulary words:
No of characters: 1227.0 1373.03311258 89% => OK
No of words: 216.0 270.72406181 80% => More content wanted.
Chars per words: 5.68055555556 5.08290768461 112% => OK
Fourth root words length: 3.83365862548 4.04702891845 95% => OK
Word Length SD: 3.20412850427 2.5805825403 124% => OK
Unique words: 117.0 145.348785872 80% => More unique words wanted.
Unique words percentage: 0.541666666667 0.540411800872 100% => OK
syllable_count: 370.8 419.366225166 88% => OK
avg_syllables_per_word: 1.7 1.55342163355 109% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 15.0 21.2450331126 71% => The Avg. Sentence Length is relatively short.
Sentence length SD: 31.4773160954 49.2860985944 64% => OK
Chars per sentence: 87.6428571429 110.228320801 80% => OK
Words per sentence: 15.4285714286 21.698381199 71% => OK
Discourse Markers: 8.5 7.06452816374 120% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 1.0 4.45695364238 22% => More negative sentences wanted.
Sentences with neutral sentiment: 9.0 4.27373068433 211% => Less facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.400769963977 0.272083759551 147% => OK
Sentence topic coherence: 0.143122068731 0.0996497079465 144% => OK
Sentence topic coherence SD: 0.114589438359 0.0662205650399 173% => OK
Paragraph topic coherence: 0.212845456452 0.162205337803 131% => OK
Paragraph topic coherence SD: 0.110317208574 0.0443174109184 249% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 13.0 13.3589403974 97% => OK
flesch_reading_ease: 47.79 53.8541721854 89% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.3 11.0289183223 93% => OK
coleman_liau_index: 15.37 12.2367328918 126% => OK
dale_chall_readability_score: 8.77 8.42419426049 104% => OK
difficult_words: 60.0 63.6247240618 94% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 8.0 10.498013245 76% => OK
text_standard: 13.0 11.2008830022 116% => OK
What are above readability scores?
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Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 Out of 30
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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.