To speed the evacuation process, __________ can be added to the system. This will help boil off any liquid moisture into __________, which is much easier for the pump to remove. If this method is used, __________ should be heated to prevent moisture from vaporizing in one part of the system and condensing back to a liquid in another.
What will be an ideal response?
heat, vapor, the entire system
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The total volume of the oceans on Earth is 1.35 x 1018 m3. What are the masses of the following elements in the Ocean in units of kg?
a. Oxygen, O, for which the concentration in the seawater is 857,000 ppm b. Hydrogen, H, for which the concentration in the seawater is 108,000 ppm c. Sodium, Na, for which the concentration in the seawater is 10,500 ppm What will be an ideal response?
When towels are being laundered in an establishment, the treatment should include:
What will be an ideal response?
What is the linearity of a DAC?
A) It is the deviation between the ideal straight-line output and the actual output of the converter. B) It is the comparison between the actual output of the converter and its expected output. C) The ability to resolve between forward and reverse steps when sequenced over its entire range of inputs. D) It is the reciprocal of the number of discrete steps in the DAC output.
An on/off control system is undesirable because it usually is relatively expensive.
Answer the following statement true (T) or false (F)