Weekly Quiz Electrical 11/19/2021

While load testing a 12 volt battery, the voltage reading should not be less than?

• 9.6 volts

• 10.6 volts

• 11.6 volts

• 12.6 volts

High resistance in a starter circuit can be checked with a/an ___________ test

• parasitic load

• open starter relay

• battery load

• low resistance in the ground circuit

When conducting a starter draw test, if the current draw exceeds specifications, the most likely cause would be

• Glazed starter brushes

• open starter relay

• worn starter bushings

• low resistance in the starter circuit

When operating a starter circuit, the technician hears the starter spinning, but the engine does not turn. The most likely cause is

• The battery is in a low state of charge

• The armature shaft is broken

• The starter drive is deflective

• High resistance in the starter circuit

The maximum allowable voltage drop in an automotive starter ground circuit while cranking the engine is

• 0.2v

• 2v

• 9.6v

• 12.6v

When charging a battery

• the battery temperature must not exceed 125 degrees F

• a three minute charge test is sufficient

• a car must be running

• it must be removed from the vehicle

Before testing a charging system, the vehicle must have

• the ignition timing set

• a well-tuned engine

• a fully charged battery

• a low charged battery

A very dim headlight can be caused by

• a bad bulb

• a poor ground connection

• a crack in the lens

• dirt in the headlight

A battery may not accept a 45 amp charge if it is

• fully charged

• cold

• sulfated

• all of the above

Wipers that will not shut off can be caused by

• an open fuse

• a ground armature field winding

• a defective park switch

• the linkage being out of adjustment