SACA C-202 Electric Motor Control Systems
Questions and Answers | Complete Study
Guide with Rationales | Grade A+
• A current as small as _____ can be fatal. -✓✓100 mA
• _____ stands for National Electrical Code. -✓✓NEC
• Standing on a wet floor _____ the resistance between you and ground, increasing
the possibility of severe shock. -✓✓Decreases
• _____ is the process of blocking the energy flow from a power source to a piece
of equipment and assuring it remains blocked. -✓✓Lockout
• An alternator has three main windings that are placed _______ degrees apart. -
✓✓120
• A ___ configured distribution system has one end of each phase winding
connected together. -✓✓WYE
• A(n) _____ configured distribution system has each phase winding connected
end-to-end to form a loop. -✓✓DELTA
• A(n) _____ is a conductor that provides a return path to the source for the current
carrying conductors in the system. -✓✓Neutral
, • When one of the phases of a system becomes grounded, it is called a _____. -
✓✓Ground Fault
• The two most common devices to disconnect power to a circuit are a _____ and a
circuit breaker. -✓✓Fusible Disconnect
• A _____ fuse has two elements, an instantaneous element and an overload
element. -✓✓Time-Delay
• _____ current is the current that is drawn by a motor when it is operating at its
rated operating speed. -✓✓Full-Load
• _____ is the maximum current carrying capacity of a conductor. -✓✓Ampacity
• Typically, the overcurrent protection for a motor should be selected for
_________ % of the full-load current of the motor. -✓✓125
• The _____ of a three-phase motor is made up of three separate sets of windings. -
✓✓Stator
• One of the most common NEMA frame sizes for small motors is _____. -✓✓56
• _____ is the temperature of the air surrounding an operating motor. -✓✓Ambient
Temperature
• The _____ represents the margin of safety for operating a motor above its rated
output power. -✓✓Service Factor
Questions and Answers | Complete Study
Guide with Rationales | Grade A+
• A current as small as _____ can be fatal. -✓✓100 mA
• _____ stands for National Electrical Code. -✓✓NEC
• Standing on a wet floor _____ the resistance between you and ground, increasing
the possibility of severe shock. -✓✓Decreases
• _____ is the process of blocking the energy flow from a power source to a piece
of equipment and assuring it remains blocked. -✓✓Lockout
• An alternator has three main windings that are placed _______ degrees apart. -
✓✓120
• A ___ configured distribution system has one end of each phase winding
connected together. -✓✓WYE
• A(n) _____ configured distribution system has each phase winding connected
end-to-end to form a loop. -✓✓DELTA
• A(n) _____ is a conductor that provides a return path to the source for the current
carrying conductors in the system. -✓✓Neutral
, • When one of the phases of a system becomes grounded, it is called a _____. -
✓✓Ground Fault
• The two most common devices to disconnect power to a circuit are a _____ and a
circuit breaker. -✓✓Fusible Disconnect
• A _____ fuse has two elements, an instantaneous element and an overload
element. -✓✓Time-Delay
• _____ current is the current that is drawn by a motor when it is operating at its
rated operating speed. -✓✓Full-Load
• _____ is the maximum current carrying capacity of a conductor. -✓✓Ampacity
• Typically, the overcurrent protection for a motor should be selected for
_________ % of the full-load current of the motor. -✓✓125
• The _____ of a three-phase motor is made up of three separate sets of windings. -
✓✓Stator
• One of the most common NEMA frame sizes for small motors is _____. -✓✓56
• _____ is the temperature of the air surrounding an operating motor. -✓✓Ambient
Temperature
• The _____ represents the margin of safety for operating a motor above its rated
output power. -✓✓Service Factor
