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FE EXAM PREP: FUNDAMENTAL UNITS
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FE EXAM PREP: FUNDAMENTAL UNITS
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FE EXAM PREP: FUNDAMENTAL UNITSCommon units of mass (both English and SI) - Answers -Gram, Pound, Kilogram, and
Slug
Primary unit for mass (SI) - Answers -Kilograms (kg)
Primary unit for force(SI) - Answers -Newtons (N)
Primary unit for mass (Eng) - Answers -Pound-mass (lbm)
Primary unit for Force (Eng) - Answers -Pound-force (lbf)
luminance - Answers -candela per squared meter (cd/m²)
absolute viscosity - Answers -Pascal second (Pa*s)
kinematic viscosity - Answers -square meter per second (m²/s)
moment of force - Answers -Newton meter (N*m)
surface tension - Answers -Newton per meter (N/m)
heat flux density - Answers -Watt per Squared meter (W/m²)
Entropy - Answers -Joule per Kelvin (J/K)
specific entropy - Answers -Joule per kilogram Kelvin (J/kg*K)
specific energy - Answers -Joule per kilogram
thermal conductivity - Answers -Watt per meter Kelvin (W/m*K)
energy density - Answers -Joule per cubic meter (J/m³)
electric field strength - Answers -Volt per meter (V/m)
electric charge density - Answers -couloumb per cubic meter
electric flux density - Answers -couloub per square meter (C/m²)
permittivity - Answers -farad per meter (F/m)
Relationship between mass and weight - Answers -W=mg where g is the gravitational
constant; mass remains constant and is an inherent property of the item, weight is
dependent upon the value of g at a given location
, Gravitational constant on earth (English and SI) - Answers -g = 32.2 ft/sec²; 9.81m/s²
Note on consistent and inconsistent units - Answers -Using consistent units is
preferable but may not be needed. When inconsistency arises, simply be sure to note
when conversion factors are needed.
Definition of weight - Answers -W= g/gc; the force exerted on an object given it position
in a gravitational field
Specific weight(weight density) - Answers -γ=W/V where v is volume
length (SI) - Answers -meter (m)
mass (SI) - Answers -kilogram (kg)
time(SI) - Answers -second (s)
electric current (SI) - Answers -Amp (A)
temperature (SI) - Answers -Kelvin (K)
amount of substance (SI) - Answers -mole (mol)
luminous intensity (SI) - Answers -candela (cd)
frequency (SI) - Answers -hertz (Hz)
force (SI) - Answers -Newton (N)
pressure/stress (SI) - Answers -Pascal (Pa; N/m²)
energy/work (SI) - Answers -Joule (J; N*m)
Power (SI) - Answers -Watt (W; J/s)
electric charge (SI) - Answers -Coulomb (C)
electric potential(SI) - Answers -Volt (V; W/A)
capacitance (SI) - Answers -Farad(f; C/V)
resistance (SI) - Answers -Ohm (Θ; V/A)
conductance (SI) - Answers -Siemen (S)
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