The power supply from the panelboard is fed into a busway run through a ____.
A. drop-in assembly
B. standard hanger
C. feed-in adapter
D. trolley run
Answer: C
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When replacing an accumulator how much refrigerant oil should be added (typical)?
A) About 7 oz. B) 2 oz. C) No more than 0.5 oz. D) None of these
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Which type of DMM can measure current when clamped around a conductor?
A) Selective B) Reluctive C) Inductive D) None of these
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What type of op-amp circuit does not typically have a feedback path connected between its output and either of its input pins?
A) An inverter. B) An open-loop amplifier. C) A current multiplier. D) A comparator.
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The process by which thermal energy is transferred by a gas is called __________.
A. convection B. conductance C. radiation
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