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1. |
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost. |
A. | 1 to 5 |
B. | 10 to 20 |
C. | 25 to 35 |
D. | 35 to 45 |
Answer» C. 25 to 35 | |