Reference no: EM131198564
Lab: Assignment
1. Convert the following using the factor label method. Show your work clearly.
a. 50 ft = m
b. 62,357 in2 = square meters
c. 10 lbf/ ft2 (or psf) = lbf/ in2 (or psi)
d. 101.13 kPa = lbf/ in2 (or psi)
e. 25,000,000 J (joules) = kWh (kilowatt-hours)
2. Convert the following using the factor label method. Show your work clearly.
a. 440,000 W (watts) = MW (megawatts)
b. 7 X 10-12 seconds = nanoseconds
c. 512 milliamps = amps
d. 12 light years = meters
3. Round the following numbers to 3 significant figures:
a. 0.3823457
b. 68.9691
c. 36.757
4. Perform the following calculations, reporting the answers with the correct number of significant figures:
a. 67.42 + 3345
b. 485.129 -16.89
c. 34.532 * 6.1
5. Specific energy (per unit mass) of flowing fluid can be expressed as h + ½ v2 + gz, where h is specific enthalpy (J/kg), v is velocity (m/s), g is gravitational acceleration (m/s2) and z is elevation (m). Show that all three terms have same (consistent) units.
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