Evaluate the following integrals:
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Variable frequency drives intended to control the speed of motors up to 500 hp generally use ____________________.
Fill in the blank(s) with the appropriate word(s).
Usually, a supervisor is not involved in developing or designing a training program, but does _____.
a. implement it b. change it c. staff it d. promote it
?The forces causing stresses in welded joints are ____.
A. ?joint position, layout, base metal, and groove type B. ?tensile, compression, bending, torsion, and shear C. ?tensile, stretching, heat, and penetration D. ?tensile, velocity, chemistry, stretch, and compression
If a conductor is coiled as in a relay coil, then passing current through it will ________ the magnetic field
A) Coils should not be coiled. B) decrease C) intensify D) not change