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Multiple-choice question on October 11, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies)

2017-10-11View Original

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The medium temperature is used to determine whether a pump is a cold oil pump or a hot oil pump; the temperature threshold is ___. (Atmospheric and vacuum distillation unit) (1) 100 degrees Celsius (2) 150 degrees Celsius (3) 200 degrees Celsius (4) 250 degrees Celsius Answer: (4)

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