A field sample of an unconfined aquifer is packed in a test cylinder. The length and diameter of the cylinder are 50 cm and 6 cm
respectively. The field sample is tested for a period of three minutes under a constant head difference of 16.3 cm. As a result, 45.2 cm3 of water is collected at the outlet. Determine the hydraulic conductivity of the aquifer sample.
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Answer:
The phase current in each line conductor are;
Explanation:
Given the following data;
Red phase = 24kW,
Yellow phase = 18kW
Blue phase = 12kW
Line voltage = 415V
For a star connected system, we have;
The phase sequence for RYB is given by;
<em>For the Red phase;</em>
<em>For the Yellow phase;</em>
<em>For the Blue phase;</em>
For the line neutral;
Substituting we have,