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Match each part of a batch cycle with what happens in it.
List I
A. Charging
B. Heating
C. Reaction
D. Turnaround
List II
1. conversion proceeds to the required level
2. raw materials are loaded into the vessel
3. discharge and cleaning ready the vessel again
4. contents are brought to reaction temperature

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

Answer: A

The productive part is only one of the four, and the others are what a plant improvement programme usually attacks first. Overlapping them where possible is how throughput is raised. Only one of the four is productive.

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