Wiring AC Circuits Pretest

Which of the following is a common component used to protect electrical circuits from overcurrent?

• Resistor

• Circuit Breaker

• Capacitor

• Transformer

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DOK Level 2: Skill/Concept

What is the primary purpose of using conduit in electrical wiring installations?

• To increase the voltage

• To protect wires from physical damage

• To reduce electrical resistance

• To enhance current flow

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DOK Level 2: Skill/Concept

Which type of wiring method is typically used in agricultural settings to withstand harsh environmental conditions?

• Non-metallic sheathed cable

• Armored cable

• Underground feeder cable

• Rigid metal conduit

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DOK Level 2: Skill/Concept

Which of the following devices is used to measure the current flowing through a circuit?

• Voltmeter

• Ammeter

• Ohmmeter

• Wattmeter

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DOK Level 2: Skill/Concept

What is the main advantage of using a three-phase power system in agricultural applications?

• It reduces the need for transformers

• It provides a more stable and efficient power supply

• It eliminates the need for circuit breakers

• It increases the resistance of the circuit

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DOK Level 2: Skill/Concept

When planning an electrical circuit, why is it important to calculate the load?

• To determine the color of the wires

• To ensure the circuit can handle the electrical demand

• To decide the length of the wires

• To select the type of light bulbs

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DOK Level 2: Skill/Concept