Answer the following statement(s) true (T) or false (F)
1. In a good preventive maintenance program with detailed checks, the person in charge should have a history on file for every motor in the plant; entries should include inspection dates, descriptions of repairs, and the costs involved.
2. The value of insulation resistance in megohms (1,000,000 ohms) is used as an indication of insulation efficiency.
3. The formula Rm = KV + 1 is used as part of a balance test measuring the phase currents under load.
4. The field coils of alternators can be checked for impedance by applying a low-frequency high voltage to each coil and measuring the current.
5. A tachometer is an instrument used to check the speed of a motor.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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