electrical 2 quiz 1

battery electrolyte is a mixture of..

• water and lead sulfate

• water and sulfuric acid

• water and lead peroxide

• water and lead dioxide

which of the following is true of 12V automotive battery

• it has three cells connected in parallel

• it has six cells connected in parallel

• it has three cells connected in series

• it has six cells connected in parallel

each cell of a fully charged battery produces

• 2.1V

• 4.2V

• 1.75V

• 1.2V

one of the gasses formed when a battery is charging is..

• hydrogen

• peroxide

• sulfate

• sulfur

the open circuit voltage of a fully charged battery should be

• 12.0V

• 9.6V

• 13.6V

• 12.6V

as the temperature of a battery decreases from 80 degrees its efficiency

• increases

• decreases

• remains the same

• none of the above

the open circuit voltage test indicates the

• battery rating

• specific gravity

• battery capacity

• battery state of charge

Tech A says when disconnecting a battery always disconnect the negative cable first. Tech B says when reconnecting cables always connect the positive cable first. Who is correct?

• Tech A

• Tech B

• Both

• Neither

battery corrosion may be cleaned with

• water and baking soda solution

• kerosene

• sulfuric acid

• water and baking powder solution

What test instrument would you use to check the open circuit voltage of a battery?

• ammeter

• ohm meter

• test light

• voltmeter