

MCQOPTIONS
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1. |
The diameter of the perforated pipe used in well point system is __________ |
A. | 0.5 to 1 m |
B. | 5 to 8 cm |
C. | 2 to 4 cm |
D. | 1 to 3.5 m |
Answer» C. 2 to 4 cm | |