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Discussion

Match each design document in List I with what it defines in List II.

List I

A. Process flow sheet

B. Material balance

C. Layout drawing

D. Equipment list

List II

1. Quantities of every stream in the process

2. Sequence of unit operations and the streams between them

3. Ratings, sizes and connected loads of the machines

4. Physical positions of equipment on the site

Select the correct match.

  • A.A-3, B-1, C-4, D-2
  • B.A-2, B-1, C-4, D-3
  • C.A-1, B-2, C-4, D-3
  • D.A-2, B-4, C-1, D-3

Answer: B

Correct answer: A-2, B-1, C-4, D-3

The flow sheet gives the sequence of operations and the streams between them (2); the material balance puts quantities on those streams (1); the layout places the equipment on the site (4); and the equipment list records ratings, sizes and connected loads (3). Each is derived from the one before.

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