With three-wire control, each time a voltage failure occurs the motors_________ .
A) restart automatically after a factory-set time lapse
B) restart automatically after they cool down
C) must be restarted manually
D) restart automatically after an operator-set time lapse
Correct Answer:
Verified
Q1: There is a possibility of injury to
Q3: The time-delay, low-voltage release device consists of
Q4: One method of preventing motor restart is
Q5: Restarting motors manually can cause damage to
Q6: It is desirable to provide some means
Q7: To have the motor restart automatically, the
Q8: The use of a time-delay, low-voltage release
Q9: If the voltage failure exceeds the time-delay
Q10: Three-wire control is impractical for preventing motor
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