Level 3 Electrics

Which DIN number represents permanent battery supply?

• 4

• 15

• 30

• 31

Against which of the following does a fuse protect an electrical circuit?

• short circuit failiure

• open circuit failiure

• Excessive resistance

• Very low resistance

What are thermistors used to provide information on?

• Pressure

• Speed

• Temperature

• Position

Before connecting a digital ohmmeter to a circuit, a technician should first

• Make tea

• operate the circuit

• install new batteries

• verify the circuit is electricaly isolated

Two identical lamps are wired in parrallel to a 12 volt source. What will the voltage be across both lamps

• 6 volts

• 4 volts

• 2 volts

• 12 volts

what is the component shown in the image above

• starter casing

• pinion drive

• starter solonoid

• starter armature

What is the main purpose of the overrunning clutch on a starter motor?

• To assist solonoid

• To pull starter pinion out of mesh

• To disengage the armature when the engine starts

• To allow over- run

When accurately performing a heavy load discharge test on battery, the battery must be charged at least

• 25%

• 50%

• 75%

• 100%

A battery that is under charged for periods of time will become

• dead

• cycled

• over heated

• Sulphated

A technician is using a digital ohmmeter to check component continuity. A reading of "OL" would indicate

• open circuit

• short circuit

• correct continuity

• Internal short circuit