Question 1

List five personal safety precautions to follow when working with, or near, a battery.

Accepted Answer

Avoid open flames, sparks, and smoking; ...

Question 2

What is the proper procedure when using another vehicle for jump-starting a vehicle?

Accepted Answer

1. Park the booster vehicle close to the...

Question 3

When depowering the high-voltage battery system of a hybrid vehicle, _____.

Accepted Answer

A)   lineman's gloves should be worn
B)   never wear anything metallic [jewelry]
C)   wait at least five minutes after disconnecting the HV batteries before working on the vehicle electrical system
D)   all answers are correctE) A) and C)
F) C) and D)

Question 4

When charging a battery that has been completely discharged, the most important item to monitor is _____.

Accepted Answer

A)   gassing
B)   charging voltage
C)   charging current
D)   battery temperatureE) B) and D)
F) None of the above

Question 5

____________________ are chemical solutions that react with the metals used to construct the battery plates. This chemical reaction produces an electric voltage between the plates.

Accepted Answer

The answer of ____________________ are chemical solutions that react with...

Question 6

____________________ water should be used to top off the cells of a battery with removable cell covers.

Accepted Answer

The answer of ____________________ water should be used to top...

Question 7

The amount of time a battery can be discharged at a certain rate before the voltage drops to a specified level is referred to as the ____________________ capacity of the battery.

Accepted Answer

The answer of The amount of time a battery can...

Question 8

All the following are good safety precautions to follow when charging batteries EXCEPT:

Accepted Answer

A)   Always wear safety glasses
B)   Make sure the area is well ventilated
C)   Never charge a frozen battery or one with damaged plates
D)   Never allow the charging voltage to exceed 12.6 voltsE) B) and C)
F) A) and D)

Question 9

Identify battery inspection steps.

Accepted Answer

Visually check the battery cov...

Question 10

Battery hold-downs reduce the amount of vibration and help increase the life of the battery.

Accepted Answer

A) True 
 B)False

Question 11

In a VRLA [valve regulated lead acid] recombinant type battery, _____.

Accepted Answer

A)   the gases produced in the recharging process are vented to the atmosphere
B)   the electrolyte is 100 percent water
C)   oxygen and hydrogen released during charging are converted back into water
D)   all answers are correctE) A) and D)
F) B) and D)

Question 12

What causes gassing in a battery?

Accepted Answer

The conversion of th...

Question 13

A battery is an electrochemical device that converts chemical energy into electrical energy.

Accepted Answer

A) True 
 B)False

Question 14

A conductance tester measures the battery condition by _____.

Accepted Answer

A)   sending a small AC signal through the battery and measuring the current response
B)   applying a load of 125 amps on the battery and measuring how fast the battery voltage returns to 12.4 volts when the load is turned off
C)   measuring how fast the voltage drops when a 100 amp load is applied
D)   measuring the voltage drop between cells as a load is appliedE) A) and B)
F) A) and C)

Question 15

Sulfation can cause _____.

Accepted Answer

A)   battery freezing in subzero weather
B)   poor cranking in cold weather
C)   both "battery freezing in subzero weather" and "poor cranking in cold weather"
D)   neither "battery freezing in subzero weather" nor "poor cranking in cold weather"E) All of the above
F) B) and D)

Question 16

If the built-in hydrometer of a maintenance-free battery is white, what should be done?

Accepted Answer

Replace th...

Question 17

How do you remove the surface charge on a battery prior to open circuit voltage testing?

Accepted Answer

With the engine off, turn on t...

Question 18

Technician A says a battery strap or carrier should be used whenever a battery is lifted. Technician B says when a battery is removed, the positive cable should be disconnected first. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) A) and B)
F) A) and C)

Question 19

Technician A says a positive battery plate consists of a grid filled with lead peroxide (Pb02) . Technician B says lead peroxide is a porous, brown, crystalline material. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) B) and C)
F) A) and D)

Question 20

Technician A says when battery cells are connected together in series, the amperage increases. Technician B says when battery cells are connected together in parallel, the voltage increases. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor BE) A) and D)
F) A) and B)

Exam 17: Batteries: Theory, Diagnosis, and Service

Technician A says a positive battery plate consists of a grid filled with lead peroxide (Pb02) . Technician B says lead peroxide is a porous, brown, crystalline material. Who is correct?

Correct AnswerverifiedShow Answer

In a VRLA [valve regulated lead acid] recombinant type battery, _____.

Correct AnswerverifiedShow Answer

A battery is an electrochemical device that converts chemical energy into electrical energy.

Correct AnswerverifiedShow Answer

All the following are good safety precautions to follow when charging batteries EXCEPT:

Correct AnswerverifiedShow Answer

A conductance tester measures the battery condition by _____.

Correct AnswerverifiedShow Answer

Sulfation can cause _____.

Correct AnswerverifiedShow Answer

What is the proper procedure when using another vehicle for jump-starting a vehicle?

Correct Answerverified1. Park the booster vehicle close to the...View AnswerShow Answer

The amount of time a battery can be discharged at a certain rate before the voltage drops to a specified level is referred to as the ____________________ capacity of the battery.

Correct AnswerverifiedShow Answer

Technician A says when battery cells are connected together in series, the amperage increases. Technician B says when battery cells are connected together in parallel, the voltage increases. Who is correct?

Correct AnswerverifiedShow Answer

____________________ water should be used to top off the cells of a battery with removable cell covers.

Correct AnswerverifiedShow Answer

When charging a battery that has been completely discharged, the most important item to monitor is _____.

Correct AnswerverifiedShow Answer

Technician A says a battery strap or carrier should be used whenever a battery is lifted. Technician B says when a battery is removed, the positive cable should be disconnected first. Who is correct?

Correct AnswerverifiedShow Answer

Identify battery inspection steps.

Correct AnswerverifiedVisually check the battery cov...View AnswerShow Answer

How do you remove the surface charge on a battery prior to open circuit voltage testing?

Correct AnswerverifiedWith the engine off, turn on t...View AnswerShow Answer

What causes gassing in a battery?

Correct AnswerverifiedThe conversion of th...View AnswerShow Answer

List five personal safety precautions to follow when working with, or near, a battery.

Correct AnswerverifiedAvoid open flames, sparks, and smoking; ...View AnswerShow Answer

____________________ are chemical solutions that react with the metals used to construct the battery plates. This chemical reaction produces an electric voltage between the plates.

Correct AnswerverifiedShow Answer

If the built-in hydrometer of a maintenance-free battery is white, what should be done?

Correct AnswerverifiedReplace th...View AnswerShow Answer

Battery hold-downs reduce the amount of vibration and help increase the life of the battery.

Correct AnswerverifiedShow Answer

When depowering the high-voltage battery system of a hybrid vehicle, _____.

Correct AnswerverifiedShow Answer

Technician A says a positive battery plate consists of a grid filled with lead peroxide (Pb0₂) . Technician B says lead peroxide is a porous, brown, crystalline material. Who is correct?

Correct Answer
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1. Park the booster vehicle close to the...
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Visually check the battery cov...
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With the engine off, turn on t...
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The conversion of th...
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Avoid open flames, sparks, and smoking; ...
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Replace th...
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