Module 4: Liquid Characteristics - Density and Specific Gravity - Practice Problems
- Instructions:
- Work these problems on a sheet of paper and check your answers against
those provided below.
- Helpful Calculators:
- The following calculator may be useful in solving these problems.
You can access it either from the "Calculators" link in the Features box or from the link below.
- Temperature Converter
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#1 - What is the density of an aqueous liquid at 20°C that has
a specific gravity of 1.25(20°C/4°C Ref. T)?
- Solve in American Engineering units (lbm/ft3)
- Solve in Cgs units (gm/cm3)
- Solve in American Engineering units (lbm/ft3)
- Answer: i. 78.0 lbm/ft3
- Solution:
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- Hint: Use the "Quick Reference" button and select
"Numerical Constants" to find the value for the density of water.
- Answer: ii. 1.25 gm/cm3
- Solution:
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#2 - What is the specific gravity of a liquid that has a density of 1.05 at 95°F? Use water at a reference temperature of 4°C.
- Answer: 1.05(35°C/4°C Ref. T)
- Solution:
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- Convert temperature from degrees Fahrenheit to degrees Celsius.
- Calculate the specific gravity.
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