An ideal current source can be replaced by an open circuit because it has what type of internal resistance?
A. Equivalent
B. Zero
C. Infinite
D. Efficient
C
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Summarize the properties of cadmium-zinc alloys.
What will be an ideal response?
How is placement of the evaporator line determined when drawing a PH diagram of an operating system?
A) Draw a vertical line across the saturation curve on a constant enthalpy line equal to the system low-side absolute temperature. B) The evaporator line can be drawn anywhere that crosses the saturation curve as long as it is a horizontal line. C) Draw a horizontal line across the saturation curve on the constant pressure line equal to the system low-side absolute pressure. D) The evaporator line is always drawn on the horizontal line representing 50 psia absolute pressure.
The statues Greeks began to produce by the mid-seventh century BCE are called
a. agora. b. hoplites. c. agon. d. kouroi.
The motor that should be used in a potentially wet area is a(n) ____ motor.
A. enclosed B. drip proof C. explosion proof D. open