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HYDRAULICS AND GEOTECHNICAL ENGINEERING

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Properties of Fluids

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In this document contains formulas on hydraulics. These includes:
  • Properties of Fluids

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1. A certain gas weighs 16 N/M^3 at a certain temperature and pressure. What is the value of its density?
1.63 kg/m^3 1.75 kg/m^3 1.20 kg/m^3
2. What is the value of surface tension of a small drop of water 0.3mm in diameter which is in the contact with air if the pressure within the droplet is 561Pa?
0.045 N/M 0.042 N/M 0.043 N/M
3. To what height above the reservoir level will water @ 20 degrees Celsius rise in a glass tube, if the inside diameter of the tube is 1.6mm?
18.9 mm 19.7 mm 18.6 mm
4. If the viscosity of water at 70 degrees Celsius is 0.0042 poise and its specific gravity is 0.978. Determine its absolute viscosity in Pa-s.
978 kg/m 786 kg/m 435 kg/m
5. Referring from item #4, determine also its kinematic viscosity in stokes?
0.0042 0.0043 0.0041