____________________ welds are used when the strength of a full-length weld is not required, to speed up the welding process and reduce welding cost, to reduce welding heat distortion, or to help stop weld bead cracking.
Fill in the blank(s) with the appropriate word(s).
Intermittent butt
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A. Restriction B. Pressure C. Flow rate D. Temperature
Which type of router bit is preferred for use with most materials?
a. Carbide-tipped steel b. High-speed steel c. Carborundum d. Fiberglass
While having a discussion, Technician A says that AC induction motors (ACIM) are the most common motors used in industry. Technician B says that they are not especially suited for higher-power full-electric vehicles. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Why is AC instead of DC power transmitted to buildings?
A) DC power would require giant batteries. B) Since AC power goes both ways, it can redistribute power that is not used. C) Normal household lights will not work on DC power. D) It is easier to step the voltage up and down with AC power.