The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.
Options
A. 5 to 10
B. 15 to 30
C. 40 to 50
D. 55 to 75
Correct Answer
15 to 30
More questions
1. Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is
Options
A. more
B. less
C. same
D. cither (a) or (b); depends upon the I.D. of the pipe