Romex® is another name for _____.
a. Type MC cable
b. Type NM cable
c. Type AC cable
d. Type SE cable
b. Type NM cable
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Soil nailing refers to
A) a cut face of excavation supported by closely spaced steel bars and shotcrete over WWR. B) a cut face of excavation supported by closely spaced steel bars and shotcrete. C) a cut face of excavation supported by closely spaced steel bars in grouted holes and shotcrete over WWR. D) a cut face of excavation supported by closely spaced steel bars or angles. E) none of the above.
Answer the following statement(s) true (T) or false (F)
1. Instruments used for measuring electrical quantities are generally classified as analog or digital meters. 2. A simple galvanometer, by itself, has a very limited use; the most useful galvanometers are scaled as macroammeters. 3. Meter manufacturers generally make meter shunts of a material called manganin (a copper-nickel-manganese alloy) rather than copper. 4. The quality of a voltmeter is indicated by its conductivity, that is to say, by the amount of current required to force the pointer to the end of the scale (full-scale deflection.). 5. To measure very low resistance values, a volt-ohmmeter is used.
The best methods to inspire others to action are to _______
A) Rule with a firm hand B) Be a living example C) Earn their respect D) Assign very specific tasks only E) Both B and C are correct F) Both A and B are correct
To correct for drift between the sending and receiving oscillators, asynchronous communication systems _______
A) use a third system oscillator to establish a reference frequency B) require periodic calibration by authorized service personnel C) coordinate transmissions with a recognized NIST time signal D) use the start bit of each data packet to resynchronize the oscillators