ACR-105 unit 15 test

Both power-consuming and power-passing devices are wired __________.

• in series with the power supply

• in series with other circuits

• in parallel with the power supply

• in parallel with each other

Multiple loads are often wired in series with each other, and the switches that are used to control each load are connected in series with the load.

• True

• False

If multiple switches are to be used to operate a single load, the switches should be wired _________ with the load being controlled.

• n parallel with each other and in series

• in parallel with each other and in parallel

• in series with each other and in parallel

• in series with each other and in series

Devices that pass power can be either _________ devices.

• safety or operating

• inductive or resistive

• pressure or safety

• safety or temperature

Transformers are rated using _________.

• volt-amps

• secondary voltage

• volt-ohms

• current-ohms

Voltage potential that travels through the coil of a power-consuming device when it is not energized is called __________.

• voltage feedback

• back voltage (EMF)

• conductance

• inductive reactance

A ___________ diagram is used to locate the different components in a circuit.

• component

• mental

• pictorial

• ladder

On a ladder diagram, power-consuming devices are usually on the right side of the diagram and power-passing devices are usually on the left side.

• True

• False

The fan relay, cooling relay, and heat relay are all types of ________.

• anticipators

• power-consuming devices

• line- or low-voltage thermostats

• power-passing devices

The normally open set of contacts on a defrost timer are commonly referred to as the "cold" contacts.

• True

• False