Loads, Service, and Overcurrent Protection 12.a. A one-family dwelling has one dryer with a nameplate rating of 5,500 VA. What's the demand load on the line and the neutral? A. 5,500 VA line, 3,850 VA neutral B. 5,500 VA line, 5,500 VA neutral C. 3,850 VA line, 5,500 VA neutral D. 3,850 VA line, 3,850 VA neutral 12.b. Calculate the general lighting load for a one-family dwelling with a total living area measuring 25′ × 70′. A. 583 VA B. 5,250 VA C. 5,400 VA D. 3,500 VA
Protection System
A system that protects electrical systems from faults by isolating the problematic part from the remainder of the system, preventing power from being cut from healthy elements, improving system dependability and efficiency is the protection system. Protection devices are the equipment that are utilized to implement the protection system.
Predictive Maintenance System
Predictive maintenance technologies are designed to assist in determining the state of in-service equipment so that maintenance can be scheduled. Predictive maintenance is the application of information; proactive maintenance approaches examine the condition of equipment and anticipate when it should maintain. The purpose of predictive maintenance is to forecast when equipment will fail (depending on a variety of parameters), then prevent the failure through routine and corrective maintenance.Condition monitoring is the continual monitoring of machines during process conditions to maintain optimal machine use, which is necessary for predictive maintenance. There are three types of condition monitoring: online, periodic, and remote. Finally, remote condition monitoring allows the equipment observed from a small place and data supplied for analysis.
Preventive Maintenance System
To maintain the equipment and materials on a regular basis in order to maintain those running conditions and reduce unnecessary shutdowns due to unexpected equipment failure is called Preventive Maintenance (PM).
- Loads, Service, and Overcurrent Protection
12.a. A one-family dwelling has one dryer with a nameplate rating of 5,500 VA. What's the demand load on
the line and the neutral?
A. 5,500 VA line, 3,850 VA neutral
B. 5,500 VA line, 5,500 VA neutral
C. 3,850 VA line, 5,500 VA neutral
D. 3,850 VA line, 3,850 VA neutral
12.b. Calculate the general lighting load for a one-family dwelling with a total living area measuring 25′ × 70′.
A. 583 VA
B. 5,250 VA
C. 5,400 VA
D. 3,500 VA
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