Section 2 Quiz – Common Components

True or False –

When the meter is set to AC volts, you can still read DC volts.

A clamp on meter is used to measure what?

You turned your meter on and the display is blank.  What should you check for?

Pick the 2 correct answers.

2K on the resistance scale equals how many ohms?

When checking ohms, which connections should you put your probes into the meter?

What are the 3 parts that make up the transformer?

If the primary winding has 10 loops and the secondary winding has 5 loops, what would the voltage be?

How many amps can a 24 volt, 40 VA transformer handle?

In a ladder diagram, which statement is generally true?

When replacing a transformer, which of the following is true?

Select the 2 correct answers.

What is the primary difference between relays and contactors?

Review the parts of the relay labeled A, B, C and D.

Drag and drop the terms to its appropriate letter.

Drag and drop the correct term to the acronym and symbol

Burnt contacts on a contactor are a sign of what?

What should you read for an ohms value for a normally closed contact with no power to the coil?

Drag and drop the wiring terminal to its proper function

What is the voltage you read at a typical residential thermostat terminal strip?

What does the mode switch do on a standard residential thermostat?

During a call for COOLING, where should you read 24VAC?

Select all that apply.

During a call for HEATING, where should you read 24VAC?

Select all that apply.