Question: Most transient suppression modules consist of an rc circuit that is designed to suppress the coil voltage transients to approximately what percentage of the peak coil supply voltage?

Answer: 200%

Question: Pilot devices are used in motor control circuits to provide _______

Answer: sequencing and automatic operation within certain parameters

Question: Which of the following are primarily designed for use with inductive motor loads and to withstand the interrupt current of a locked rotor?

Answer: NEMA-rated contactors/motor starters

Question: If the heater in a fixed IEC bimetallic overload relay fails, ______

Answer: the entire overload relay must be replaced

Question: The nameplate on a motor indicates that the motor has an FLC of 15A and a service factor (SF) of 1.15. How much additional current can this motor safely handle for intermittent power demands?

Answer: 2.25 A

Question: A relay designated as a 3PDT-SB relay ______

Answer: has three NO (normally open) and three NC (normally closed) contacts

Question: The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the _______

Answer: seal-in voltage

Question: A general-purpose NEMA enclosure is Type _____

Answer: 1

Question: NEC article 430, part VII covers ______

Answer: motor controllers

Question: Which of the following describes a retroreflective scan?

Answer: The scanning method in which a target is detected as it passes between a photoelectric sensor and a reflector