Define datums.
What will be an ideal response?
Datums are considered theoretically perfect planes, surfaces, points, lines, or axes.
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The final act of the field management team should be a(n) ____.
A. staff meeting B. specialized meeting C. workshop session D. in-house project review
Which of the following laws were put to use by combining materials and energy to produce different devices and machines?
a. biologic c. physical b. geographic d. genetic
How is the water flow in a hydronic heating system checked?
A) By measuring the pressure drop across the water pump and comparing it to a pumping performance chart B) By measuring the amp draw of the pump motor an applying the formula gp = amps x 1.73 C) By measuring the pump motor RPM using a digital tachometer D) By measuring the impeller RPM using a stroboscope
The sum of all CO2 emissions from 1850 to 2010, from fossil fuel emissions is equal to the total area under the graph from Problem 6-33.
a. Based on this method, how much CO2 was emitted from fossil fuels between 1850 and 2010? b. How does this compare to the atmospheric increase in CO2 between 1850 and 2010, based on measurements of CO2 in ppm in the atmosphere between 1850 and 2010? What will be an ideal response?