Which of the following is actually being measured when a vacuum is measured in microns?
A) The difference between the atmospheric pressure and mercury
B) The amount of pressure that remains in the system
C) The amount of pressure that has been removed from the system
D) The full atmospheric pressure at sea level in the system
B
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Impoundment dams are usually very large structures that are constructed from concrete and are designed to last from _______________ to _______________ years
Fill in the blank(s) with the appropriate word(s).Brake hard enough to feel a slowdown when you are speed has been reduced to 5 miles per hour below your safe Speed release the brakes when your speed has increased to your safe speed repeat these steps
Cdl
Molten solder flows between the two base metals being soldered because ____.
A. the atmospheric pressure pushes it in B. of capillary attraction C. there are no surface pores in the base metal D. the tubing surface melts and the pressure differential forces it in
What types of greenhouse coverings are available with a light scattering property?
What will be an ideal response?