While spark ignitions start the combustion in gasoline engines, typical in automobiles, high compression of gases, with

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Fri Oct 23, 2020 4:54 pm

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While spark ignitions start the combustion in gasoline engines, typical in automobiles, high compression of gases, with high temperatures, are igniting the combustion in diesel engines.

(A) high compression of gases, with high temperatures, are igniting the combustion in diesel engines

(B) the high temperatures made by high compression of gases, igniting the fuel in diesel engines

(C) diesel engines highly compress the gasses, and this high compression ignites the combustion of the fuel in the engine

(D) high compression of gases, producing high temperatures, ignite the combustion in diesel engines

(E) it is the high compression of gases, causing high temperatures, that ignites the fuel in diesel engines

OA E

Source: Magoosh

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Source: Beat The GMAT — Sentence Correction | Fri Oct 23, 2020 4:54 pm

deloitte247: Legendary Member; Posts: 2214; Joined: Fri Mar 02, 2018 2:22 pmFollowed by: 5 members

Re: While spark ignitions start the combustion in gasoline engines, typical in automobiles, high compression of gases, w

by deloitte247 » Wed Feb 03, 2021 12:06 pm

This question has the subject-verb agreement issue.

[u][b]OPTION A - INCORRECT[/b][/u]
In the sentence, the use of the present progressive tense of the verb is wrong. Also ''with high temperatures'' as used in the sentence is wrong because it changes the intended meaning.

[u][b]OPTION B - INCORRECT[/b][/u]
The subject ''the high temperatures'' doesn't have a verb showing the action it is performing. ''igniting'' in the sentence is a participle.

[u][b]OPTION C - INCORRECT[/b][/u]
This option changes the intended meaning of the sentence. The verb construction '' ignites the combustion'' is incorrect.

[u][b]OPTION D - INCORRECT[/b][/u]
There's also the issue of subject-verb agreement. The use of ''ignite the combustion'' is wrong.

[u][b]OPTION E - CORRECT[/b][/u]
There's the subject-verb agreement, it also gives the correct meaning of the sentence.

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