What are several safety precautions that should be considered when doing wire insulation resistance measurements?
What will be an ideal response?
De-energize, isolate, and LOTO power sources before attempting to disconnect any power cables. This type of work should only be attempted by qualified technicians. Applying the test voltage to anything other than the cable under test can damage equipment or cause serious injury to coworkers.
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What key component of a natural gas burner is a fixed, vaned device that causes the air/fuel mixture to swirl above the burner?
A. Spiders B. Impellers C. Igniters D. Knockout pots
What is the formula that defines the power factor curve?
Fill in the blank(s) with the appropriate word(s).
As additional branches are added to a parallel circuit, total circuit amperage ________
A) Decreases B) Increases C) Remains the same D) None of these
For a deep vacuum to complete, the system pressure should hold:
A) Somewhere between 5,001 and 10,000 microns. B) Below 500 microns. C) Somewhere between 1,500 and 5,000 microns. D) Above 500 microns.