

MCQOPTIONS
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1. |
The diameter of a propeller agitator used in agitation tank ranges from ____________ percent of the tank diameter and its peripheral speed is normally 300 to 500 metres/minute ? |
A. | 5 to 10 |
B. | 15 to 30 |
C. | 40 to 50 |
D. | 55 to 75 |
Answer» C. 40 to 50 | |