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| 1. |
What is the strainer length required for a deep tube well giving a discharge of 8 litres per second? Assume permissible entrance velocity of 2 cm/second. It is desired to have the strainer of slot sizes 20 mm × 0.2 mm with number of slots per cm length of the strainer as 100. |
| A. | 8 m |
| B. | 1 m |
| C. | 12 m |
| D. | 10 m |
| Answer» E. | |