In an induction heater, the magnetic field used to heat the metal is _____
a. constant
b. confined
c. low-level
d. alternating
d
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? Identify and state the historical significance of Creole.
What will be an ideal response?
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Portable oxyfuel track burners can be used for _____.
a. stationary cutting, but not bevel cutting b. straight-line cutting and bevel cutting c. movable cutting, but not straight-line cutting d. both drag cutting and kerfless cutting
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Los tomacorrientes que abastecen a los cuadros de distribución portátiles sobre el escenario deben ser:
a. accionados internamente. b. accionados en forma remota. c. accionados externamente. d. accionados automáticamente.
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The three types of seals are the packing seal, the radial lip seal, and the ____ seal.
A. O-ring B. mechanical C. compression D. lantern ring
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