Lesson 2
PRACTICE EXERCISE
1.
The positive and negative plates in the lead-acid battery are made mechanically strong by
the use of a
a.
separator.
b.
grid.
c.
paste.
2.
What is the state of charge of a battery that reads 1.280 at 100F?
a.
Good
b.
Fair
c.
Poor
3.
The level of the electrolyte above the battery plates should be at least
a.
1/8 inch.
b.
3/8 inch.
c.
inch.
4.
In the field, you may have to start a vehicle with discharged batteries by
a.
AC or DC current.
b.
cleaning the terminals.
c.
towing the vehicle or slaving the batteries.
5.
What should be done if the battery electrolyte freezes?
a.
Thaw at room temperature
b.
Charge battery at a slow rate
c.
Add acid to lower freezing point
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