Technician A says that a relay is an electromagnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Which of the following is an HID ballast category?
a. Autoranging circuit b. Constant wattage autotransformer c. Inverted d. Dual-coil
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Other than construction skills, what else can a student gain by doing a project?
What will be an ideal response?
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When an ac voltage is supplied to an RL circuit, the ac's current and amplitude will be:
A) lagging the voltage. B) varying in the same manner. C) similar in waveform. D) all of these.
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In ratio control, the reference flowrate is referred to as wild flow.
Answer the following statement true (T) or false (F)
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