In a class C amplifier, a tank section is composed of a coil and capacitor in parallel. If the capacitor is ____, it can be adjusted to tune the section to a desired frequency, called the resonant frequency.
a. fixed
b. variable
c. cutoff
d. saturated
b. variable
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Using 128-bit addresses provides approximately 10x unique address, where x= _______.
Fill in the blank(s) with the appropriate word(s).
What is a HEPA filter?
A) A filter for heated pans B) A very-high-efficiency air filter C) A filter for a steam heating coil D) A high-efficiency water filter
In ________ mode, the robot advances through the program one line at a time and requires you to press a button on the teach pendant keypad before it reads the next line of the program and responds.
A. continuous B. automatic C. step D. weave
Oscillating the torch when fusion welding cast iron is done in order to:
A) Preheat the surface B) Remove gas bubbles C) Smooth out the surface D) Diffuse carbon E) None of the above