Exam 14: Lightning Protection

The air terminal is a solid or tubular rod made of copper, bronze, or ________.

A single drop of water contains about________ atoms.

When conceptualizing lightning and charge distribution, the endpoints to consider are Point B on Earth and Point A in the _________.

If you are ever present when a person is struck by lightning, immediately________ .

The installation of lightning protection systems for structures in the open should be guided by the requirements of Master Label Service, which is endorsed by________ .

Describe the grounding connections in a lightning protection system.

It is estimated that, on average, the earth is struck by lightning 100 times per________ .

Lightning conductors should provide at least________ paths for current flow from an air terminal to Earth.

Lightning protection systems have three basic components: air terminals, lightning conductors, and ________connections.

What guidelines should you follow when selecting and installing air terminals?

The lightning stroke is attracted to the terminal because it is a part of the path that offers the________ to ground.

Cloud-to-Earth lightning strokes are most likely to occur________.

A(n)________ is the potential energy a charge gains when one joule of work is done on one coulomb.

Persons struck by lightning carry ________.

If 6,250,000,000,000,000,000 electrons are transferred from Point A to Point B, the quantity of charge is referred to as a(n) _________.

What is an ion and how is it useful?

Lightning is generated by the ominous-looking________ cloud or thundercloud.

Each atom has at its center a nucleus that is composed of protons and________ .

How does lightning restore electrical balance?

List five safety rules for human protection when lightning threatens that are recommended by United States Departm Atmospheric Administration.