Which Improper Operation Does Not Lead to Exposure to Chemicals

question 15

Multiple Choice

Which improper operation does not lead to exposure to chemicals?

• A) Tower not vented
• B) No cooling liquid on condenser
• C) Rapid changes in column control and set points
• D) Opening a bleed valve on a vacuum column

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Definitions:

Impaired Recall

A diminished ability to remember or retrieve previously learned information.

Nouns

Words used to identify any of a class of people, places, or things.

Comprehension

The ability to understand the meaning or significance of something, such as a word, sentence, or text.

Word Superiority Effect

The phenomenon in which people recognize letters more accurately when they are part of a word, compared to when they are seen in isolation or in a non-word.