AMP - Aviation Maintenance Technician Powerplant Practice Exam

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Prepare for the Aviation Maintenance Technician Powerplant Exam with comprehensive flashcards and multiple choice questions. Equip yourself with detailed explanations and tips to succeed.

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The reason for flashing the field in a generator is to

  1. restore residual magnetism to the field frame

  2. ensure proper operation of the capacitor

  3. relieve the unit of any residual electrical energy

  4. Increase the generator output

The correct answer is: restore residual magnetism to the field frame

Flashing the field in a generator involves applying a temporary electrical current to the field windings in order to restore any residual magnetism that may have been lost. This is important because without sufficient magnetic field, the generator cannot produce electricity. Option B, ensuring proper operation of the capacitor, is incorrect because the capacitor is not directly involved in the process of flashing the field. Option C, relieving the unit of any residual electrical energy, is also incorrect as the purpose of flashing the field is to restore magnetism, not relieve electrical energy. Option D, increasing the generator output, is also incorrect as flashing the field does not directly increase the output of the generator, but rather ensures that the generator can operate properly.