EEI TECH EEI Tech Spatial Ability 3

Question 1

On an electrical panel diagram, the bus bar is shown as a thick horizontal line. What does the bus bar do?

Accepted Answer

Distributes power to multiple circuits

Answer

A bus bar is a conductor that distributes electrical power to multiple branch circuits in a panel.

Question 2

A block has six faces: top, bottom, front, back, left, and right. If you remove the top and bottom, how many faces remain?

Accepted Answer

4

Answer

6 total faces − 2 (top and bottom) = 4 remaining faces.

Question 3

Two wires are shown crossing on a schematic with a small dot at the intersection. The dot indicates:

Accepted Answer

The wires are electrically connected

Answer

A dot at a wire intersection on a schematic indicates the wires are electrically connected (a junction).

Question 4

A triangular wedge is viewed from directly above. What shape do you see?

Accepted Answer

Triangle

Answer

Viewing a triangular wedge from directly above reveals its triangular top face.

Question 5

A gear with 20 teeth meshes with a gear of 40 teeth. If the small gear makes 4 revolutions, how many does the large gear make?

Accepted Answer

2

Answer

Gear ratio = 20/40 = 0.5; so the large gear makes 4 × 0.5 = 2 revolutions.

EEI TECH Test Practice Test