In a three-phase circuit, the true power (watts) is found by _____.
A. multiplying line voltage by line current
B. multiplying apparent power by the power factor
C. dividing power factor by the apparent power
D. multiplying phase voltage by phase current
Answer: B
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The amortisseur winding provides good starting torque and a relatively high starting current.
Answer the following statement true (T) or false (F)
The vehicle drivetrain can send power to ________.
A) The front wheels B) The rear wheels C) Either A or B D) Neither A nor B
Under what conditions do manufacturers recommend using block heaters in mobile light duty diesels?
A. Below -10 degF (-23degC). B. Block heaters are aftermarket devices not recommended by manufacturers. C. Prior to starting an engine that has sat in a cold climate for extended periods. D. Anytime outside air temperatures fall below freezing.
The drum controller of a motor is separate from the resistors and is used for ____.
a. providing low-voltage protection b. providing low-voltage release c. controlling the primary magnetic switch d. switching or controlling external resistors