Agriculture Mechanics Technology I Final Exam

Front

Electricity is ____.

Back

energy that consists of charged particles, such as electrons

Front

Watts are the ____.

Back

work that is performed by electrical energy

Front

The main difference between a fuse and a circuit breaker is ____.

Back

the circuit breaker is reusable

Front

Of the following, the best method for avoiding electrical shock is ____: keeping electricity contained in its predictable path, keeping the circuit clean and charged, always wearing rubber gloves and steel-toe shoes, to not use power tools and appliances.

Back

always wearing rubber gloves and steel-toe shoes

Front

A(n) ____ is any device that is used to interrupt the flow of electrons in a circuit, stopping or redirecting the flow of electricity.

Back

switch

Front

The number of cycles per second is an AC signal’s frequency, which is measured in units called ____.

Back

hertz

Front

In the United States, electricity is uniformly supplied at ____ Hz.

Back

60

Front

The point in the electrical system when ownership (and responsibility for use and control) changes from the power company to the local owner is the ____.

Back

service entrance

Front

A safely energized circuit is all of the following, except ____: able to move current through a load, able to stop current flow with a breaker, safely moving current from hot wire to load and back to source, moving current to ground.

Back

moving current to ground

Front

Taps are ____.

Back

wire-to-wire connections to form a branch