Pollutants that require lab testing for positive identification include:
A) Pollen, tobacco smoke, and fiberglass. B) All types of pollutants require lab testing.
C) Atmospheric dust, pollen, and asbestos. D) Asbestos, radon, and mold.
D
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The horsepower needed to raise the pressure of liquid water from 20 kPa to 6 MPa for a mass flux of 5 kg/s is nearest:
A) 20 kW B) 32 kW C) 48 kW D) 62 kW
Which of the following are the stages an insect goes through in a complete metamorphosis?
a. Egg, larvae, pupa, adult c. Egg, nymph, adult b. Egg, adult d. Egg, larvae, nymph, naiad, adult
To redirect the list of the files in a directory to a file called homedir.list, you enter ____.
A. ls < homedir.list B. ls > homedir.list C. homedir.list < ls D. homedir.list > ls
Many common electronic devices never fully turn off. If not disconnected from the power supply, they continue to draw electricity even when switched off. This hidden use of energy is called ______ .
A. operational energy B. minimal loads C. embodied energy D. phantom loads