Referencing Use-Case Modeling, an External Entity That Interacts with the System

question 231

Multiple Choice

Referencing use-case modeling, an external entity that interacts with the system best defines:

• A) player.
• B) actor.
• C) source.
• D) target.
• E) event.

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Definitions:

Locked-Rotor Starting

A condition in electric motors where the rotor is not allowed to rotate while full starting current is applied, used to analyze the starting torque and current of motors.

Operating Characteristics

The specific conditions or parameters within which a device or system is designed to function, such as voltage, speed, and temperature ranges.

Compressors

Mechanical devices that increase the pressure of a gas by reducing its volume, commonly used in air conditioning, refrigeration, and pneumatic applications.

Start Capacitor

A temporary capacitor that increases the starting torque of a motor by introducing a leading current to the auxiliary winding.