EEUTI30 FQ3-B

Which factor involves initial investment, operating, and maintenance when designing an electrical system?

• Reliability

• Cost

• Quality

The unit for capacitive reactance:

• Farads

• Henrys

• Ohms

It is composed of constant power and time-dependent power:

• Instantaneous power

• Average power

• Apparent power

Part of the electrical plan that shows the list of circuits, descriptions, VA ratings, wire sizes and CB rating to be used:

• Riser Diagram

• General Notes

• Load Schedule

Which of the following is NOT typically considered an electrical load device?

• Air-conditioning unit

• Electrical heater

• Conductors

Which historical figure is most closely associated with the development of AC power systems?

• Thomas Edison

• Nikola Tesla

• Michael Faraday

If wire ampacity is 80A, and full load current is 64A, what is the appropriate Circuit Breaker size?

• 65A

• 70A

• 80A

When selecting the conductor size for a feeder or branch circuit, what factor is typically applied to the computed total current to determine the ampacity requirement?

• 100%

• 110%

• 125%

Main disadvantage of using fuses over circuit breakers is:

• Higher cost

• Physical size

• One-time use only

For the sinusoidal current i(t) = 5sin(8πt - 60°), what is the frequency **f** of the current?

• 8 Hz

• 4 Hz

• 1/8 Hz