An airship is a type of aircraft that flies using a very large balloon filled with a lighter-than-air gas. Airships were an important means of air transportation before the 1940s but are little used today, having been largely replaced by airplanes and helicopters. However, some aeronautical engineers believe that airships could become popular again because they offer a number of advantages over airplanes and helicopters. One advantage of airships is that for vertical lift(the force that keeps the ship airborne),they use a balloon that floats rather than an engine. Airplanes and helicopters use engines for both vertical lift and horizontal movement, but airships use engines solely for horizontal movement. So,airships use less fuel than a typical aircraft-thus making their fuel costs more economical.
The passage states that airship has a some advantages that might help it to bacame popular again in the future. The lecturer, on the other hand, refutes all the three aformentioned episods of argument.
First of all, the reading claims that airship is more economical than airplane and helicopters because it only uses fuel for horizontal movement. Nevertheless, this point is challenged by the professor. He says that airship needs lighter gas for vertical lift such as hydrogen and helium. The hydrogen caused a lot of tragic accident in the past so this is not a safe gas for use. Heluim is safe but can not provide power for vertical lifting. Therefore using airship is not easy and we should consider the need for these fuels.
Second, The reading posits that can be used to carry heavy logs in hard to reach locations. In contrast, the professor mentions that using airship for transporting cargo can be very hard because wind can make damage, and for carrying heavy cargo, airship has to left of with steady speed, which is hard because of wind.
Finally, the passage states that we can use airship rather than satellites because ariship can rise high enugh. However, the professor rebutted this point by arguing that airships are not ready for doing this task. in the hight of 14KM there are strong winds that airships have to spend a lot of fuel in order to stay in one location. Thus, the airship's fuel will be used up so fast and it has to come back.In sum, all the three reqasons mentioned in the reading efectivelly challenged by the lecture.
Grammar and spelling errors:
Line 2, column 445, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Therefore,
...not provide power for vertical lifting. Therefore using airship is not easy and we should...
^^^^^^^^^
Line 4, column 52, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...e passage states that we can use airship rather than satellites because ariship c...
^^
Line 4, column 216, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: In
...hips are not ready for doing this task. in the hight of 14KM there are strong wind...
^^
Line 4, column 408, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: In
...used up so fast and it has to come back.In sum, all the three reqasons mentioned i...
^^
Transition Words or Phrases used:
but, finally, first, however, if, nevertheless, second, so, therefore, thus, as for, as to, in contrast, such as, first of all, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 11.0 10.4613686534 105% => OK
Auxiliary verbs: 10.0 5.04856512141 198% => OK
Conjunction : 6.0 7.30242825607 82% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 30.0 30.3222958057 99% => OK
Nominalization: 3.0 5.01324503311 60% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1287.0 1373.03311258 94% => OK
No of words: 272.0 270.72406181 100% => OK
Chars per words: 4.73161764706 5.08290768461 93% => OK
Fourth root words length: 4.06108636974 4.04702891845 100% => OK
Word Length SD: 2.42994125675 2.5805825403 94% => OK
Unique words: 153.0 145.348785872 105% => OK
Unique words percentage: 0.5625 0.540411800872 104% => OK
syllable_count: 396.0 419.366225166 94% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 42.9983388383 49.2860985944 87% => OK
Chars per sentence: 91.9285714286 110.228320801 83% => OK
Words per sentence: 19.4285714286 21.698381199 90% => OK
Discourse Markers: 10.3571428571 7.06452816374 147% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 7.0 4.45695364238 157% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.181624805327 0.272083759551 67% => OK
Sentence topic coherence: 0.064099382177 0.0996497079465 64% => OK
Sentence topic coherence SD: 0.0416136265844 0.0662205650399 63% => OK
Paragraph topic coherence: 0.106778657441 0.162205337803 66% => OK
Paragraph topic coherence SD: 0.0427024454568 0.0443174109184 96% => OK
Essay readability:
automated_readability_index: 10.6 13.3589403974 79% => Automated_readability_index is low.
flesch_reading_ease: 60.65 53.8541721854 113% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 10.15 12.2367328918 83% => OK
dale_chall_readability_score: 7.89 8.42419426049 94% => OK
difficult_words: 57.0 63.6247240618 90% => OK
linsear_write_formula: 8.5 10.7273730684 79% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 10.0 11.2008830022 89% => 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.