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The difference between a motor’s synchronous speed and rated…

The difference between a motor’s synchronous speed and rated full-load speed is called ____.

Published November 20, 2024
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A diode must be replaced if a meter registers a voltage for…

A diode must be replaced if a meter registers a voltage for both meter lead configurations.

Published November 20, 2024
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The ____ function on a multimeter allows a technician to tes…

The ____ function on a multimeter allows a technician to test devices that conduct current in only one direction.

Published November 20, 2024
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A hydraulic unloader can reduce a compressor’s load on start…

A hydraulic unloader can reduce a compressor’s load on start-up.

Published November 20, 2024
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If an in-line ammeter is accidentally connected in parallel,…

If an in-line ammeter is accidentally connected in parallel, it may blow a fuse.

Published November 20, 2024
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Match each of the following testing instruments with the sta…

Match each of the following testing instruments with the statement that best describes it.

Published November 20, 2024
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The from control inward method of troubleshooting starts the…

The from control inward method of troubleshooting starts the line voltage and moves through each switching device.

Published November 20, 2024
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Unlike in-line ammeters, ohmmeters are connected in series w…

Unlike in-line ammeters, ohmmeters are connected in series with the circuit or load being tested.

Published November 20, 2024
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The twisting force used to turn a compressor’s crankshaft is…

The twisting force used to turn a compressor’s crankshaft is called efficiency.

Published November 20, 2024
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An electric motor’s speed is determined by the alternating c…

An electric motor’s speed is determined by the alternating current’s frequency and the number of magnetic field poles in the stator.

Published November 20, 2024
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