Free LSAT Practice Question

Question 1 of 1
ID: LSAT-LR-105
Section: Logical Reasoning
Topic: Inference
Difficulty level: Medium

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Sheet at the Ravensholt glassworks is annealed in a lehr whose temperature falls along its length. What decides whether the sheet carries strain is not the temperature the lehr reaches but the time it takes to cross the range between five hundred and sixty and four hundred and eighty degrees: under forty minutes and the sheet is strained. The works has never run a lehr slowly enough for a sheet to take above an hour.

Which one of the following is most strongly supported by the statements above?

ANo sheet annealed here can have spent an hour inside a lehr, since no lehr has ever been run slowly enough.

BA longer lehr, its temperature still falling along its length, would bring every sheet through the critical range in more than forty minutes and so rid the works of strain altogether.

CNo sheet the works has turned out free of strain crossed the critical range in under forty minutes, and none of it took above an hour to cross.

DSome of the works' sheet does carry strain, since a lehr whose temperature falls along its length cannot hold a sheet in the range for a full forty minutes.

EEvery sheet the works has annealed crossed the critical range in under forty minutes, so all its output is strained to one degree or another.

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