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A tube is placed vertically in a breaker of salt water with specific gravity of 1.15....

A tube is placed vertically in a breaker of salt water with specific gravity of 1.15. The inter facial tension between air and water is 32 m N/m and contact angle degree is 30 degree. Calculate:

1) capillary pressure in psi if tube diameter is 0.0004 cm

2) capillary rise in ft

3) radius in inches of largest pore if displacement pressure is 25 kpa.

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