IDA-101 End of unit 6 Test

What do the two vertical lines represent on a typical ladder diagram?

• Motor control circuits

• Electrical circuits to individual loads

• Incoming electrical source

• Outline of the diagram

Most electrical circuits shown in a schematic diagram are arranged __________________________.

• In order from the circuit with highest current draw to the lowest current draw

• With the circuits between the lines representing the electrical source

• By color coding

• Randomly

How are electrical components represented on schematic wiring diagrams?

• All of the choices are correct

• Descriptions of the components are printed on the schematic

• Actual pictures of the electrical components are shown on the schematic

• Symbols represent the electrical components within the schematic

The following electrical symbol represents a ______________.

• Three-pole contactor

• Three-pole, single-throw switch

• Three-pole circuit breaker

• Three-pole, fused disconnect

The following electrical symbol represents a _____________.

• Heating thermostat

• High pressure switch

• Thermostat opens on rise of heat

• Humidistat

The following electrical symbol represents a _____________.

• Shaded-pole compressor

• Single-phase compressor

• Dual-phase compressor

• Three-phase compressor

The following electrical symbol represents a _____________.

• Relay coil

• Circuit breaker

• Fuse

• Signal light

The following electrical symbol represents a _____________.

• Crankcase heater

• Resistor

• Capacitor

• Inductor

The following electrical symbol represents a _____________.

• Normally closed control relay

• Pilot duty thermal overload

• Circuit breaker

• Fuse

The following electrical symbol represents a _____________.

• Transformer

• Resistor

• Capacitor

• Inductor