What is the first step in testing a capacitor?
What will be an ideal response?
The first operation in testing a capacitor is to discharge it. Do not discharge it by shorting out the terminals. This can damage the capacitor. To avoid electrical shock, the technician should never place fingers across the terminals before properly discharging the capacitor.
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Environmental conditions important during germination include ________, ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
The two machines shown are being considered for a chip manufacturing operation. Assume the MARR is a real return of 12% per year and that the inflation rate is 7% per year. Which machine should be selected on the basis of an annual worth analysis if the estimates are in (a) constant-value dollars, and (b) future dollars? Solve by hand and using a spreadsheet.
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To prevent the system refrigerant from quickly dropping in temperature and pressure, refrigerant recovery should:
A) Always take place while the system is operating. B) Only be attempted in the summer. C) Begin with vapor. D) Begin with liquid.
Larger-tonnage refrigerant units use which kinds of chillers?
A) Scroll and centrifugal compressor chillers B) Reciprocating and screw compressor chillers C) Centrifugal and screw compressor chillers D) Reciprocating and scroll compressor chillers