Which of the following is an example of an electrical test?

Voltage Potential Monitoring is the correct answer because voltage is an electrical parameter. Electrical testing and monitoring assess the condition, performance, or risk exposure of electrical systems and components by measuring values such as voltage, current, resistance, insulation condition, phase balance, power quality, or discharge activity. Voltage potential monitoring fits that category directly. Horsepower monitoring is primarily a power or load-performance measure, commonly associated with machine output, motor loading, or process demand rather than a direct electrical test category in this question. Torque monitoring is mechanical; it measures rotational force and is more closely associated with shafts, couplings, gearboxes, fasteners, and rotating equipment. In the CRL Asset Condition Management domain, the point is to select the correct condition-monitoring technology for the failure mode being managed. Electrical defects require electrical indicators, mechanical defects require mechanical indicators, and process problems require process indicators. Selecting voltage potential monitoring for an electrical test is therefore technically correct because it measures an electrical condition rather than a mechanical or production-performance condition. NASA’s electromagnetic-spectrum guidance also confirms that different sensing technologies detect different physical energy forms, which is the same logic applied in condition monitoring.