Basic Electrical

What does DC stand for and how does it flow?

• Alternating current, flows both ways

• Alternating current, flows one way

• Direct current, flows both ways

• Direct current, flows one way

What does AC stand for and how does it flow?

• Alternating current, flows both ways

• Alternating current, flows one way

• Direct current, flows both ways

• Direct current, flows one way

What is measured in Amps?

• How much restriction there is

• Rate of flow

• Amount of force

• Amount of electricity used

What type of switch is a light switch considered?

• Normally closed

• Normally open

• Overheat switch

• Pressure switch

What happens to the resistance in a Negative Temperature Coefficient (NTC) thermistor as the temperature goes up?

• Resistance goes up

• Resistance becomes zero

• Resistance stays the same

• Resistance goes down

What is the correct way to test a pump for resistance?

• Test for open loop or resistance less than 10 ohms

• Only test for resistance more than 10 ohms

• Test for closed loop or resistance more than 10 ohms

• Only test for open loop

What is the unit of electrical resistance?

• Ohm

• Ampere

• Volt

• Watt

What function is this symbol?

• Voltage

• Amps

• Ohms

• Continuity

What does this symbol mean?

• Amps

• Ohms

• Continuity

• Voltage

Is this the AC or DC symbol

• AC

• DC