Which of the following is an example of a good conductor?
a. wood c. plastic
b. copper d. dry air
B
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The amount of water that air can hold depends on ________.
A) Absolute pressure and temperature B) The air temperature C) Absolute pressure and dew point D) Barometric pressure and evaporation
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A technician pushes a 50-lb box 4 feet in 2 seconds. The work done is:
A) 50 lb × 4 ft = 200 ft-lb. B) 4 ft-lb. C) 200 ft-lb/2 s = 100 ft-lb/s. D) 50 lb.
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This type of AC motor is characterized by low starting torque and is suitable for light applications such as refrigerator evaporator motors
A) Split phase B) CSIR C) PSC D) Shaded pole
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What are the three basic types of armature windings?
What will be an ideal response?
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