Skip to main content

Electrical systems

What is a wire or conductor that is equidistant in voltage from the phase conductors of an electrical system?



Answer is Neutral, as opposed to Ground which is used to dissipate hazardouse currents in the earth.

For more exam resources see the PPD-PDD page

Comments

Try These Too!

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°

Building Efficiency

Convert the usable area of classrooms planned with medium efficiency level of new construction to the gross building area given the following model factors: Net Assignable Square Feet: 10,000, Space Factor: 1.5, Building Efficiency Ratio: 67%