The vapor pressure (VP) of air at 60°F and 100% RH = 37 psf. Will the VP of air at 70°F and 100% RH be the same, higher or lower than 37 psf?
What will be an ideal response?
The new VP will be higher, because the warmer the air, the greater its capacity to hold water vapor at saturation, and hence the higher the VP.
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If you bend from the waist to pick up an object weighing 20 pounds (9.07 kg), the amount of pressure applied to your lower back is _____.
a. 2 pounds (0.9 kg) b. 20 pounds (9.07 kg) c. 200 pounds (90.7 kg) d. 2,000 pounds (907 kg)
The Nixon administration still reflected a staunch anticommunist policy when it engaged in covert operations to overthrow the elected leftist government of
A. Cuba. B. Mexico. C. China. D. Chile. E. Brazil.
Identify the four basic pump designs (48)
What will be an ideal response?
Which of the following would you use for a quick and easy check of power tools?
a. ohmmeter b. voltmeter c. ammeter d. thermocouple