Do you want to improve your writing? Try our new evaluation service and get detailed feedback.
Check Your Text it's free

TOEFL integrated writing: fuel-cell engines

TOEFL integrated writing: fuel-cell engines g58q1
The article states that the internal combustion engine should be replaced with hydrogen based fuel cell engine in cars and provides three reasons of supports. However, the professor explains that hydrogen based fuel cell engine is not a good option in replacement of internal combustion engine and refute each of the author's reasons. First, the reading claims that internal combustion engine relies upon petroleum products to works ie: on gasoline or diesel which is a finite source of energy and hydrogen can be derieved from renewable sources and easily available. The professor refutes this point by saying that hydrogen is not easily available in its required form. She states that hydrogen have to be extracted from its sources and have to be converted to liquid form and should be stored in in -200 celsius which is very difficult. Second, the article posits that internal combustion engine produce pollution by burning of oil which produces pollutant like carbon dioxide and claims that hydrogen fuel cell engine is a good option to eliminate this problem. However, the professor says that to extract pure desired form of hydrogen makes more pollution as this extraction requires burning of coals etc. Third, the reading says that hydrogen fuel cell engine will be less expensive and twice efficient than internal combustion engine. on the other hand, the professor opposes this point by explaining that there will be no cost saving as fuel cell engines parts need to be made of plantinum which is a very rare and expensive material.
The article states that the
internal
combustion
engine
should
be replaced
with hydrogen based
fuel
cell
engine
in cars and provides three reasons of supports.
However
, the
professor
explains
that hydrogen based
fuel
cell
engine
is not a
good
option in replacement of
internal
combustion
engine
and refute each of the author's reasons.

First
, the reading claims that
internal
combustion
engine
relies upon petroleum products to works
ie
: on gasoline or diesel which is a finite source of energy and hydrogen can be
derieved
from renewable sources and
easily
available. The
professor
refutes this point by saying that hydrogen is not
easily
available in its required form. She states that hydrogen
have to
be extracted
from its sources and
have to
be converted
to liquid form and should
be stored
in in
-200
celsius
which is
very
difficult.

Second, the article posits that
internal
combustion
engine
produce pollution by burning of oil which produces pollutant like carbon dioxide and claims that hydrogen
fuel
cell
engine
is a
good
option to eliminate this problem.
However
, the
professor
says that to extract pure desired form of hydrogen
makes
more pollution as this extraction requires burning of coals etc.

Third, the reading says that hydrogen
fuel
cell
engine
will be less expensive and twice efficient than
internal
combustion
engine
.
on
the other hand, the
professor
opposes this point by explaining that there will be no cost saving as
fuel
cell
engines
parts need to
be made
of
plantinum
which is a
very
rare and expensive material.

IELTS essay TOEFL integrated writing: fuel-cell engines

Essay
  American English
4 paragraphs
253 words
5.0
Overall Band Score
Coherence and Cohesion: 5.5
  • 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
  • ?
    Currently is not available
  • Meet the criteria
  • Doesn't meet the criteria
Recent posts





Get more results for topic: