Focus on Designing Distillation Columns

Question Title

1. With regard to distillation column design, what does HETP stand for? (Required.)

High-enthalpy thermal process

Height equivalent of theoretical plate

Height equivalent of trayed packing

High-efficiency tower packing

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2. What is the recommended design limit for the entrainment ratio of a column? (Required.)

Less than 50%

Less than 25%

Less than 10%

Less than 1%

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3. True or false: The Downcomer flood factor mainly applies to column with trays. (Required.)

True

False

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4. For designing new columns, what is a good rule of thumb for the limiting the flood ratios? (Required.)

Design for 100%

Design for 85%

Design for 60%

Design for 25%

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5. Which type of column internal is likely to experience the largest pressure drop? (Required.)

Trays

Random packing

Dumped packing

Structured packing

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6. Which of the following is not a measure of liquid accumulation in the column? (Required.)

Flood ratio

Jet Flood

Downcomer Flood

Entrainment ratio

Question Title

* 1. With regard to distillation column design, what does HETP stand for? (Required.)

Question Title

* 2. What is the recommended design limit for the entrainment ratio of a column? (Required.)

Question Title

* 3. True or false: The Downcomer flood factor mainly applies to column with trays. (Required.)

Question Title

* 4. For designing new columns, what is a good rule of thumb for the limiting the flood ratios? (Required.)

Question Title

* 5. Which type of column internal is likely to experience the largest pressure drop? (Required.)

Question Title

* 6. Which of the following is not a measure of liquid accumulation in the column? (Required.)

1. With regard to distillation column design, what does HETP stand for? (Required.)

2. What is the recommended design limit for the entrainment ratio of a column? (Required.)

3. True or false: The Downcomer flood factor mainly applies to column with trays. (Required.)

4. For designing new columns, what is a good rule of thumb for the limiting the flood ratios? (Required.)

5. Which type of column internal is likely to experience the largest pressure drop? (Required.)

6. Which of the following is not a measure of liquid accumulation in the column? (Required.)