NCCER LEVEL 3 Module 7 Exam 2023 With 100% Correct Answers
Conductors connected to the high leg of a four-wire delta system be color-coed with what color of insulation or tape? -correct answer -Orange (NEC Section 110.15) Dry-type transformers rated at 112.5kVA or less may be located out in the open provided they are separated from combustible material by a distance of ____. -correct answer -12" If the power factor is improved by the addition of a capacitor, the motor running overcurrent device must be selected based on the ___. -correct answer -reduced current Except for motors starting service, insulated conductors used for connections between resistors and motor controllers must be rated at not less than ___. -correct answer -90 C A transformer reads zero volts across the output terminals. The cause is most likely ____. -correct answer -an open circuit When performing maintenance on dry-type transformers, check for cracked insulation on transformers over ____. -correct answer -1,000V The main purpose of a transformer is to ______________ . -correct answer -Change the output voltage The three parts of a basic transformer are the ___. -correct answer -primary winding, secondary winding, and core When AC flows through a transformer coil, the field generated around the coils is a ___. -correct answer -magnetic field When the field from
Información del documento
- Subido en
- 29 de septiembre de 2023
- Número de páginas
- 3
- Escrito en
- 2023/2024
- Tipo
- Examen
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- Preguntas y respuestas
