Los electrones de la capa externa de un átomo se conocen como electrones _____.
a. libres
b. de valencia
c. de unión
d. formadores de compuestos
b. de valencia
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Answer the following statement(s) true (T) or false (F)
1. Any circuit with three 6 ? resistors and one 2 ? resistor will have a total resistance 20 ? 2. The resistance of any conductor is directly proportional to its length. 3. A 250,000 circular mil conductor is designated 25 kcmil. 4. The resistance of a circuit or conductor is usually constant and does not depend upon either current or voltage.
Dividing the total computed load in volt-amperes by the residential service voltage of ____________________ volts will give the minimum ampacity that the service conductors must be rated for.
Fill in the blank(s) with the appropriate word(s).
Entry-level CAD technicians tend to share similar sentiments. Typically, students entering their first structural CAD position ____.
A. do not know what to expect on the job B. feel that they lack the technical skills required C. have a clear understanding of positions within the organization D. should not expect to begin their career as CAD/engineering secretaries
The proper callout designations, dimensions for detailing, and properties for designing structural steel shapes are provided in the ____ by the American Institute of Steel Construction (AISC).
A. Manual of Steel Construction B. Structural Steel Detailing C. Guide to Steel Construction D. The Steel Construction Reference