Ch. 50 Batteries James Halderman 5th
Edition and Answers.
The positive plate of a fully charged lead-acid battery is made of __________________. -
Answer lead dioxide
Condition is necessary for the battery charge indicator to display green - Answer when the
battery charge is about 65%
A typical battery charge indicator's sighting window is __________________ when the battery is
fully discharged. - Answer clear
Battery charge indicators work based on the ___________ of the battery. - Answer
electrolyte density
In a fully discharged lead-acid battery, ___________________. - Answer the electrolyte is
mostly water
Charging voltages ________ can damage a battery by warping the plates as a result of the heat
of overcharging. - Answer higher than 15.5 volts
Deep cycling refers to ______________. - Answer almost fully discharging a battery and then
completely recharging it.
Batteries designed for deep cycling use _____________ to resist plate warpage during charging.
- Answer thicker plate grids
A cold-cranking amperes (CCA) rating of a battery indicates the amount of current the battery is
able to supple at ______________ for 30 seconds. - Answer 0 degrees Fahrenheit
The number of minutes for which the battery can produce 25 amps & still have a battery voltage
of 1.75 volts per cell is called the _____________ rating of the battery. - Answer reserve
capacity
2 technicians are discussing precautions for battery maintenance. Tech A says allowing the
battery to fully discharge poses the risk of the electrolyte freezing. Tech B says a frozen battery
should not be charged to avoid the risk of explosion. - Answer Both techs are correct
Edition and Answers.
The positive plate of a fully charged lead-acid battery is made of __________________. -
Answer lead dioxide
Condition is necessary for the battery charge indicator to display green - Answer when the
battery charge is about 65%
A typical battery charge indicator's sighting window is __________________ when the battery is
fully discharged. - Answer clear
Battery charge indicators work based on the ___________ of the battery. - Answer
electrolyte density
In a fully discharged lead-acid battery, ___________________. - Answer the electrolyte is
mostly water
Charging voltages ________ can damage a battery by warping the plates as a result of the heat
of overcharging. - Answer higher than 15.5 volts
Deep cycling refers to ______________. - Answer almost fully discharging a battery and then
completely recharging it.
Batteries designed for deep cycling use _____________ to resist plate warpage during charging.
- Answer thicker plate grids
A cold-cranking amperes (CCA) rating of a battery indicates the amount of current the battery is
able to supple at ______________ for 30 seconds. - Answer 0 degrees Fahrenheit
The number of minutes for which the battery can produce 25 amps & still have a battery voltage
of 1.75 volts per cell is called the _____________ rating of the battery. - Answer reserve
capacity
2 technicians are discussing precautions for battery maintenance. Tech A says allowing the
battery to fully discharge poses the risk of the electrolyte freezing. Tech B says a frozen battery
should not be charged to avoid the risk of explosion. - Answer Both techs are correct
