Describe what a circuit tracer does and when it is used.
What will be an ideal response?
A circuit tracer is used to determine which circuit breaker in an electrical panel protects a specific circuit; used when a circuit directory does not properly indicate what is protected by a specific breaker.
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To transfer elevations up a structure, first establish a temporary benchmark at the base, then locate a second temporary benchmark at the desired floor or level using a(n) _____.
a. builder's level b. auto level c. laser level d. tape
In a precipitation hardening alloy, coring usually results in the precipitation of an eutectic between the dendrite arms. With regard to aluminum?copper alloys, Singh and Flemmings have assumed that this eutectic is divoriced (consists only of the ? phase), and have derived an equation to describe the kinetics of homogenization that is similar to that discussed in the text for homogenization of a cored solid solution alloy. This equation which applies to a solution treatment close to the solvus is:
A production planning strategy which turns away extra demand is called:
A) demand matching. B) production leveling. C) hybrid strategy. D) all of the above E) none of the above
What is the maximum reading on a typical R-22 compound gauge?
A) 120 psig B) 500 psig C) 300 psig D) 800 psig