Explain what the approach to the tower is and how it is calculated.
What will be an ideal response?
One of the most important variables controlled on the cooling tower is a term called, “the approach to the tower.” This is defined as the temperature difference between the water leaving the cooling tower and the wet-bulb temperature of the air entering the tower.
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____________________ forces one contactor to be de-energized before the other one can be energized.
Fill in the blank(s) with the appropriate word(s).
The machined plate distances shown in the accompanying figure are dimensioned, in millimeters, in terms of x. Determine dimension F.
What will be an ideal response?
Given that the three bars shown in the accompanying figure are made of the same material, comparing bar (a) to bar (b) which bar will stretch more, when subjected to the same force F? Bar (a) and (b) have the same cross-sectional area but different length. Comparing bar (a) to bar (c) having the same length but different cross-sectional areas, which bar will stretch more? Explain.
Resistors functioning as _____ are used in applications involving field-effect transistors (FETs) and multirange voltmeter circuits.
A. voltage dividers B. current dividers C. voltage multipliers D. current multipliers