ACR108-Unit 15-Troubleshooting Basic Control (CRF) - Mr. Graham

A control can be which of the following?

• electrical

• mechanical

• electrical and mechanical

• all of the above

An example of a power consuming device would be a(n) ___ while an example of a non-power consuming device would be a(n) ___.

• light bulb, single-pole single-throw switch
• electric motor, light bulb

• light bulb, electric motor

• single-pole single-throw switch, light bulb

An electrical power consuming component ___.

• is also known as a load
• is normally wired in series in an electrical circuit

• is normally used to pass power to another component

• is often a basic switch

The line side of a switch is the ___.

• side the power source is connected to
• side the load is connected to

• neutral side of the circuit

• side with the white wire

If an air conditioning system is calling for cooling and the compressor is running but the indoor (evaporator) fan is not running, which terminal on the thermostat will the technician most likely check first?

• G

• R

• Y

• W

The _____ is nothing more than a set of switches.

• thermostat
• transformer

• coil

• motor

The continuity through a heat relay is checked using a(n) ___.

• ohmmeter
• voltmeter

• clamp-on ammeter

• micron gauge

A 10-wrap amperage multiplier is used with a(n) ___.

• clamp-on ammeter
• voltmeter

• ohmmeter

• megger

Transformers are rated using ___.

• volt-amperes

• volt-ohms

• amperes-ohms

• volt-resistance

A(n) ___ is the easiest diagram to use to follow a circuit. This diagram normally can be studied briefly, and the circuit function should become obvious.

• pictorial diagram

• ladder diagram

• layout

• oblique drawing