Question 1

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 temperature 
A) gassing 
B) charging voltage 
C) charging current 
D) battery temperature D

Question 2

How is a voltage drop test performed on the battery cables and connections?

Accepted Answer

Connect the voltmeter between each side of the battery connection. If testing the ground side of the circuit, connect the black test lead to the battery post and the red test lead to a good engine ground. Disable the ignition system, then operate the starter motor for ten to fifteen seconds while observing the meter. Voltage drop should not exceed 0.100 volts.

Question 3

Describe the cold-cranking amperes (CCA)rating system.

Accepted Answer

It specifies the minimum amperes available for 30 seconds at 0 degrees Fahrenheit (17.7 degrees Celsius).

Question 4

Which method of testing for battery state of charge (SOC)can be used on maintenance-free batteries?

Accepted Answer

A) built-in hydrometer 
B) open circuit voltage test 
C) battery hydrometer 
D) both A and B 
A) built-in hydrometer 
B) open circuit voltage test 
C) battery hydrometer 
D) both A and B

Question 5

The electrolyte level in a battery with vent caps slowly drops due to gassing.

Accepted Answer

A) True 
 B)False

Question 6

Technician A says absorbed glass mat [AGM] batteries have spiral wound plates and never require water. Technician B says recombinant batteries use a gel-type electrolyte and convert oxygen and hydrogen back into water. Who is correct?

Accepted Answer

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

Question 7

While conducting a battery drain test, if the ammeter reads _____ or more amperes, there is excessive drain.

Accepted Answer

A) 0.100 
B) 0.050 
C) 0.250 
D) 2.500 
A) 0.100 
B) 0.050 
C) 0.250 
D) 2.500

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 volts 
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 volts

Question 9

Sulfation of battery plates can cause _____.

Accepted Answer

A) lower specific gravity 
B) reduced reserve power in cold weather 
C) both A and B 
D) neither A nor B 
A) lower specific gravity 
B) reduced reserve power in cold weather 
C) both A and B 
D) neither A nor B

Question 10

Identify six things that shorten the life of a battery.

Accepted Answer

Improper electrolyte levels; c

Question 11

Which of the following components is not part of a battery cell?

Accepted Answer

A) positive electrode 
B) negative electrode 
C) electrolyte 
D) solenoid 
A) positive electrode 
B) negative electrode 
C) electrolyte 
D) solenoid

Question 12

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

Accepted Answer

Replace th

Question 13

Technician A says a positive battery plate consists of a grid filled with lead peroxide. 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 B 
A) A only 
B) B only 
C) both A and B 
D) neither A nor B

Question 14

Because of the memory effect, nickel-metal-hydride (Ni-MH)type batteries are never used in hybrid vehicles.

Accepted Answer

A) True 
 B)False

Question 15

Identify the steps to inspecting a vehicle's battery.

Accepted Answer

Visually check the battery cov

Question 16

What is meant by the term "specific gravity"?

Accepted Answer

It is the weight of

Question 17

The only way to check a maintenance-free battery that does not have a built-in hydrometer is by ____________________ testing.

Accepted Answer

open circu

Question 18

A cold-cranking amperes (CCA)rating specifies the minimum amperes available at _____ degrees Fahrenheit.

Accepted Answer

A) 0 
B) 32 
C) 50 
D) 100 
A) 0 
B) 32 
C) 50 
D) 100

Question 19

The typical CCA rating for a passenger car or light truck is between 300 and 600 amps.

Accepted Answer

A) True 
 B)False

Question 20

Technician A says rubbing alcohol can be used to neutralize battery corrosion. Technician B says baking soda should be used to clean batteries. Who is correct?

Accepted Answer

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

Exam 17: Batteries: Theory, Diagnosis, and Service

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

How is a voltage drop test performed on the battery cables and connections?

Describe the cold-cranking amperes (CCA)rating system.

Which method of testing for battery state of charge (SOC)can be used on maintenance-free batteries?

The electrolyte level in a battery with vent caps slowly drops due to gassing.

Technician A says absorbed glass mat [AGM] batteries have spiral wound plates and never require water. Technician B says recombinant batteries use a gel-type electrolyte and convert oxygen and hydrogen back into water. Who is correct?

While conducting a battery drain test, if the ammeter reads _____ or more amperes, there is excessive drain.

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

Sulfation of battery plates can cause _____.

Identify six things that shorten the life of a battery.

Which of the following components is not part of a battery cell?

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

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

Because of the memory effect, nickel-metal-hydride (Ni-MH)type batteries are never used in hybrid vehicles.

Identify the steps to inspecting a vehicle's battery.

What is meant by the term "specific gravity"?

The only way to check a maintenance-free battery that does not have a built-in hydrometer is by ____________________ testing.

A cold-cranking amperes (CCA)rating specifies the minimum amperes available at _____ degrees Fahrenheit.

The typical CCA rating for a passenger car or light truck is between 300 and 600 amps.

Technician A says rubbing alcohol can be used to neutralize battery corrosion. Technician B says baking soda should be used to clean batteries. Who is correct?

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