A(n) ____ is a set of pieces of creative work intended to demonstrate a person's ability or to document the development of an idea over time.
A. production drawing
B. engineer's notebook
C. portfolio
D. patent
Answer: C
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Reduced consumption of energy is called energy ____.
a. compensation b. conversion c. conversation d. conservation
Answer the following statement(s) true (T) or false (F)
1. Electronic brakes require extensive maintenance, adjustment, and periodic replacement of worn parts. 2. Three-phase electric braking reduces the heat buildup in the motor as compared to single-phase braking. 3. A self-contained transformer and rectifier provide the direct current required for braking. 4. DC and AC supplies must be connected to a motor at the same time. 5. The sudden stopping of a motor by mechanical brakes can often harm the motor or load.
Why was the incident at Love Canal, which was related to the toxicity of hazardous wastes, an important case in the history of U.S. environmental policies?
What will be an ideal response?
If the resistance is changed to 40 ohms and (
) is the inductive reactance, what is the impedance (Z)?
Fill in the blank(s) with the appropriate word(s).