In this process, the material and an electrode are submerged in a dielectric fluid, which is a nonconductor, forming a barrier between the part and the electrode. A very small gap of about .001 in. is maintained between the electrode and the material. A high-speed arc causes the material to be removed.
a. electrochemical machining (ECM)
b. electrodischarge machining (EDM)
c. electron beam (EB)
d. ultrasonic machining
b. electrodischarge machining (EDM)
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The ____________________ uses a hardware-based gateway to receive signals from voltage and current sensors that are installed at the home service panel.
Fill in the blank(s) with the appropriate word(s).
When checking a diode with an ohmmeter and the meter shows a resistance, if the meter leads are reversed, it should show infinity.
Answer the following statement true (T) or false (F)
Poor lighting, excessive noise, and inadequate guards for moving parts are examples of _____
a. acceptable risks b. unsafe conditions c. unavoidable hazards d. unsafe acts
Bypass humidifiers do not need a separate fan to move the air through them.
Answer the following statement true (T) or false (F)