A method of graphically demonstrating the power factor relationship between energy and power, is with the power ____.
a. triangle
b. square
c. quadrant
d. grid
a. triangle
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A circuit in which one side of the power source is referenced to ground is called ___________.
a. incomplete b. polarized c. damaged d. arced
Which of the following is true of making high-quality welds?
A. It is affected by the weather. B. Hydrogen entrapment ensures the weld will be high quality. C. Evaporating moisture helps prevent porosity. D. Humidity draws moisture out of the weld zone.
A transistor has the following parameters in a common-emitter circuit:
 figure 1.png)
What is the voltage amplification of the transistor? How many decibels gain is this?
The basic weld symbol shown in the figure above indicates a _____
a. bevel-groove weld
b. flare V-groove weld
c. V-groove weld
d. flare bevel-groove weld