CHE 201 Exam 1 Review
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Volume is a derived dimension
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Base unit that is the same for all three system of units is time (seconds)
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Base unit of mass in the American Engineering System (AES) is poundmass
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Force is a derived dimension
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Base unit of length in the CGS system is centimeters
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An hour is an example of a multiple unit
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A square foot is not an example of a multiple unit
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3.2 is not a base unit
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A Joule is not the preferred unit of energy in the CGS system
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AES is the oldest system of units
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For a small mass, CGS would be preferred
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A nanosecond is larger than a picoseconds
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A teragram is larger than a megagram
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Velocity is an example of a dimension
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Unit for force in the AES is the poundforce, which is a derived unit
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The derived unit for density in the SI system is kg/L or kg/m^3
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The derived unit for density in the CGS system is g/ml or g/cm^3
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The derived unit for density in the AES system is lb_m/ft^3
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The newest system of units is the SI system
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Three multiple units for length in the AES system include inches, yard, mile
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A kilogram is larger than a lb_mass
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As radius of a planet gets smaller, its g gets lower. Earth has a bigger radius than Pluto, thus it has a bigger g than
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 Spring '08
 Walton
 Thermodynamics, International System of Units, 1 atmosphere, 33.9 feet

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