LESSON TWO
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
B. When removing the battery cables, the ground cable (negative
side) should be removed first. (Page 20, para b. (1)).
2.
A. Battery cells are filled with a solution of water and sulfuric
acid which is known as electrolytes. (Page 22, para (2)).
3.
D. The duocheck is used to test the battery state of charge.
(Page 25, para (5).
4.
B. A switch is defined as a device used in an electrical circuit
for making, breaking, or changing connections. [Page 27, para
(3) ].
5.
C. Electrolyte level in the cells of a battery should be up to the
bottom of the split ring. [Page 24, para (3) ].
6.
A. Battery vent caps should be inspected for damage or missing
gaskets. [Page 23, para (2) ].
7.
B. Test the battery before adding water to the cells. [Page 26,
para (d) ].
8.
C. When mixing electrolyte, you should pour acid into the water.
(Page 22, CAUTION).
9.
A. The number of cells in a battery is determined by the voltage
that is desired. (Page 21, para c.).
10.
C. The simplest protective device in an electrical system is a
fuse. [Page 27, para (1) ].
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