engineering units of measure
DESCRIPTION
SI Prefixes SI Prefix Symbol Factor Example Tera- T 1012 1 T-byte = 1012 bytes Giga- G 109 1 GW = 109 watts Mega- M 106 1 MJ = 106 joules Kilo- k 103 1 km = 103 meters Centi- c 10-2 1 cm = 10-2 meters Milli- m 10-3 1 mA = 10-3 amperes Micro- 10-6 1 mV = 10-6 volts Nano- n 10-9 1 nm = 10-9 meters Pico- p 10-12 1 pm = 10-12 metersTRANSCRIPT
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ENGINEERING UNITS OF MEASURE
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SI PrefixesSI Prefix Symbol Factor ExampleTera- T 1012 1 T-byte = 1012
bytesGiga- G 109 1 GW = 109 wattsMega- M 106 1 MJ = 106 joulesKilo- k 103 1 km = 103 metersCenti- c 10-2 1 cm = 10-2 metersMilli- m 10-3 1 mA = 10-3
amperesMicro- m 10-6 1 mV = 10-6 voltsNano- n 10-9 1 nm = 10-9 metersPico- p 10-12 1 pm = 10-12
meters
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Engineering Units of Measure
Mass kg lb 1kg = 2.2lbs
Length m ft 1in = 2.54cm
Time s s --- Area m2 ft2 ?? Volume m3 ft3 ?? Velocity m/s ft/s ??What are the missing conversions?
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Practice Problems Convert the following:
45 m3 = ________ ft3
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Practice Problems Convert the following:
120 ft2 = ________ m2
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Practice Problems Convert the following:
26 ft/s = ________ m/s
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Engineering Units of Measure
Acceleration m/s2 ft/s2
Force N or lbf Energy J or N-m Btu Work J or N-m Btu Power W or J/s Btu/s Pressure Pa or N/m2
psi
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Practice Problems Convert the following:
9.8 m/s2 = ________ ft/s2
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Practice Problem What engineering term is most likely
associated with the units shown below?
Pressure
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Practice Problem What engineering term is most likely
associated with the units shown below?
Energy or Work
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Practice Problem What engineering term is most likely
associated with the units shown below?
Power