Question 1

At the end of a three-minute charge test, the voltage reading for a satisfactory 12-volt battery should not exceed how many volts ?

Accepted Answer

A)  13.0 volts 
B)  15.5 volts 
C)  12.6 volts 
D)  9.6 volts 
A)  13.0 volts 
B)  15.5 volts 
C)  12.6 volts 
D)  9.6 volts B

Question 2

When using a battery load tester to conduct a battery load test, turn the control knob to draw battery current at a rate equal to which of the following ?

Accepted Answer

A)  The battery's ampere-hour rating. 
B)  Twice the battery's ampere-hour rating. 
C)  15.5 volts for a 12-volt battery. 
D)  1/2 of the battery's cold cranking amps rating. 
A)  The battery's ampere-hour rating. 
B)  Twice the battery's ampere-hour rating. 
C)  15.5 volts for a 12-volt battery. 
D)  1/2 of the battery's cold cranking amps rating. D

Question 3

Which of the following statements is NOT true of a replacement battery ?

Accepted Answer

A)  It may have the same rating as the original battery. 
B) It may have a higher rating than the original battery. 
C)  It may have a lower rating than the original battery. 
D)  It should be selected according to an application chart. 
A)  It may have the same rating as the original battery. 
B) It may have a higher rating than the original battery. 
C)  It may have a lower rating than the original battery. 
D)  It should be selected according to an application chart. C

Question 4

Ice crystals are found in the electrolyte. This can be caused by :

Accepted Answer

A) A discharged battery . 
B) Use of tap water . 
C)  Reversed battery connections . 
D)  Improper hold downs . 
A) A discharged battery . 
B) Use of tap water . 
C)  Reversed battery connections . 
D)  Improper hold downs .

Question 5

How much of a change in specific gravity readings does temperature compensation involve for every 10 degrees ?

Accepted Answer

A)  0.004 
B)  0.040 
C)  0.400 
D)  4.000 
A)  0.004 
B)  0.040 
C)  0.400 
D)  4.000

Question 6

What is the main cause of battery water loss ?

Accepted Answer

A)  Spillage from the vent caps 
B)  Leakage through the battery case 
C)  Conversion of water to sulfuric acid 
D)  Evaporation due to heat of the charging current 
A)  Spillage from the vent caps 
B)  Leakage through the battery case 
C)  Conversion of water to sulfuric acid 
D)  Evaporation due to heat of the charging current

Question 7

Which of the following statements about battery ratings is true?

Accepted Answer

A) The ampere-hour rating is defined as the amount of steady current that a fully charged battery can supply for 1 hour at 80°F (26.7°
C)  without the cell voltage falling below a predetermined voltage. 
B) The cold cranking amps rating represents the number of amps that a fully charged battery can deliver at O°F (17.7°
C)  for 30 seconds while maintaining a voltage above 9.6 volts for a 12V battery. 
C) The cranking amp rating expresses the number of amperes a battery can deliver at 32°F (O°
C)  for 30 seconds and maintain at least 1.2 volts per cell. 
D) The reserve capacity rating expresses the number of amperes a fully charged battery at 80°F can supply before the battery's voltage falls below 10.5 volts. 
A) The ampere-hour rating is defined as the amount of steady current that a fully charged battery can supply for 1 hour at 80°F (26.7°
C)  without the cell voltage falling below a predetermined voltage. 
B) The cold cranking amps rating represents the number of amps that a fully charged battery can deliver at O°F (17.7°
C)  for 30 seconds while maintaining a voltage above 9.6 volts for a 12V battery. 
C) The cranking amp rating expresses the number of amperes a battery can deliver at 32°F (O°
C)  for 30 seconds and maintain at least 1.2 volts per cell. 
D) The reserve capacity rating expresses the number of amperes a fully charged battery at 80°F can supply before the battery's voltage falls below 10.5 volts.

Question 8

How may batteries be rated ?

Accepted Answer

A)  Ampere-hours 
B) Reserve capacity 
C)  Cold Cranking Amps 
D)  Any of these choices 
A)  Ampere-hours 
B) Reserve capacity 
C)  Cold Cranking Amps 
D)  Any of these choices

Question 9

When charging a battery :

Accepted Answer

A) Connect a voltmeter across the battery terminals while the battery is charging and keep the charge rate at fewer than 10 volts . 
B) Disconnect the negative battery cable before charging to prevent damage to the alternator and computers . 
C)  Charge at an amperage rate of 50% of the CCA rating . 
D)  All of these choices . 
A) Connect a voltmeter across the battery terminals while the battery is charging and keep the charge rate at fewer than 10 volts . 
B) Disconnect the negative battery cable before charging to prevent damage to the alternator and computers . 
C)  Charge at an amperage rate of 50% of the CCA rating . 
D)  All of these choices .

Question 10

At 80 degrees F, what is the correct specific gravity of electrolyte in a fully charged battery?

Accepted Answer

A)  1.200 
B) 1)220 
C)  1.265 
D)  1.290 
A)  1.200 
B) 1)220 
C)  1.265 
D)  1.290

Question 11

A customer's battery is always dead when she attempts to start her car in the morning. After jumping the battery one time in the morning, the car will start throughout the day with no problems. All of the following can be the cause EXCEPT:

Accepted Answer

A) The starter motor is drawing too much current . 
B) The glove box light is staying on . 
C) A computer is not powering down . 
D) A relay contact is stuck closed . 
A) The starter motor is drawing too much current . 
B) The glove box light is staying on . 
C) A computer is not powering down . 
D) A relay contact is stuck closed .

Question 12

Which of the following is an indication of how well a battery would perform if the charging system of a vehicle failed ?

Accepted Answer

A)  Cold cranking amps 
B)  Hot cranking amps 
C)  Amp-hour rating 
D)  Reserve capacity 
A)  Cold cranking amps 
B)  Hot cranking amps 
C)  Amp-hour rating 
D)  Reserve capacity

Question 13

Battery electrolyte is a mixture of water and what other element ?

Accepted Answer

A)  Lead dioxide 
B)  Sulfuric acid 
C)  Sulfur dioxide 
D)  Hydrochloric acid 
A)  Lead dioxide 
B)  Sulfuric acid 
C)  Sulfur dioxide 
D)  Hydrochloric acid

Question 14

A 450 cold cranking amperage battery is being load tested. What will the correct load be ?

Accepted Answer

A)  1350 amperes 
B)  450 amperes 
C)  225 amperes 
D)  990 amperes 
A)  1350 amperes 
B)  450 amperes 
C)  225 amperes 
D)  990 amperes

Question 15

Why should specific gravity readings be temperature compensated ?

Accepted Answer

A)  They are a more accurate indicator of the actual state of charge. 
B)  Electrolyte gets thicker as it gets warmer than 80 degrees F. 
C)  Hydrometers do not work on cold batteries. 
D)  None of these choices. 
A)  They are a more accurate indicator of the actual state of charge. 
B)  Electrolyte gets thicker as it gets warmer than 80 degrees F. 
C)  Hydrometers do not work on cold batteries. 
D)  None of these choices.

Question 16

How long can an automotive battery with a cold cranking rating of 380 deliver 380 amperes ?

Accepted Answer

A)  30 seconds at 0 degrees F 
B)  60 seconds at 0 degrees F 
C)  90 seconds at 32 degrees F 
D)  90 seconds at 0 degrees F 
A)  30 seconds at 0 degrees F 
B)  60 seconds at 0 degrees F 
C)  90 seconds at 32 degrees F 
D)  90 seconds at 0 degrees F

Question 17

How many volts can each cell of an automobile battery produce ?

Accepted Answer

A)  1.2 volts 
B)  2.1 volts 
C)  4.2 volts 
D)  6 volts 
A)  1.2 volts 
B)  2.1 volts 
C)  4.2 volts 
D)  6 volts

At the end of a three-minute charge test, the voltage reading for a satisfactory 12-volt battery should not exceed how many volts ?

When using a battery load tester to conduct a battery load test, turn the control knob to draw battery current at a rate equal to which of the following ?

Which of the following statements is NOT true of a replacement battery ?

Ice crystals are found in the electrolyte. This can be caused by :

How much of a change in specific gravity readings does temperature compensation involve for every 10 degrees ?

What is the main cause of battery water loss ?

Which of the following statements about battery ratings is true?

How may batteries be rated ?

When charging a battery :

At 80 degrees F, what is the correct specific gravity of electrolyte in a fully charged battery?

A customer's battery is always dead when she attempts to start her car in the morning. After jumping the battery one time in the morning, the car will start throughout the day with no problems. All of the following can be the cause EXCEPT:

Which of the following is an indication of how well a battery would perform if the charging system of a vehicle failed ?

Battery electrolyte is a mixture of water and what other element ?

A 450 cold cranking amperage battery is being load tested. What will the correct load be ?

Why should specific gravity readings be temperature compensated ?

How long can an automotive battery with a cold cranking rating of 380 deliver 380 amperes ?

How many volts can each cell of an automobile battery produce ?

Introduction to Automotive Electrical and Electronic Systems Safety

Basic Theories Special Tools and Procedures

Electrical and Electronic Components Basic Electrical Troubleshooting and Service

Wiring and Circuit Diagrams Wiring Repair and Reading Circuit Diagrams

Starting Systems and Motor Designs Starting System Diagnosis and Service

Charging Systems Charging System Testing and Service

Lighting Circuits Lighting Circuits Repair and Diagnosis

Introduction to the Body Computer Body Computer System Diagnosis

Computer Input Sensor Diagnostic Routines

Vehicle Communication Networks Vehicle Multiplexing Diagnostics

Advanced Lighting Circuits Advanced Lighting Systems Diagnosis and Service

Instrumentation and Warning Lamps and Warning Lamp System Diagnosis and Repair

Accessories Electrical Accessories Diagnosis and Repair

Radio Frequency and Infotainment Systems Servicing Radio Frequency and Infotainment Systems

Passive Restraint Systems Servicing Passive Restraint Systems

Vehicles With Alternative Power Sources Hybrid and High-Voltage System Service

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Exam 5: Automotive Batteries Battery Diagnosis and Service

At the end of a three-minute charge test, the voltage reading for a satisfactory 12-volt battery should not exceed how many volts ?

When using a battery load tester to conduct a battery load test, turn the control knob to draw battery current at a rate equal to which of the following ?

Which of the following statements is NOT true of a replacement battery ?

Ice crystals are found in the electrolyte. This can be caused by :

How much of a change in specific gravity readings does temperature compensation involve for every 10 degrees ?

What is the main cause of battery water loss ?

Which of the following statements about battery ratings is true?

How may batteries be rated ?

When charging a battery :

At 80 degrees F, what is the correct specific gravity of electrolyte in a fully charged battery?

A customer's battery is always dead when she attempts to start her car in the morning. After jumping the battery one time in the morning, the car will start throughout the day with no problems. All of the following can be the cause EXCEPT:

Which of the following is an indication of how well a battery would perform if the charging system of a vehicle failed ?

Battery electrolyte is a mixture of water and what other element ?

A 450 cold cranking amperage battery is being load tested. What will the correct load be ?

Why should specific gravity readings be temperature compensated ?

How long can an automotive battery with a cold cranking rating of 380 deliver 380 amperes ?

How many volts can each cell of an automobile battery produce ?

Introduction to Automotive Electrical and Electronic Systems Safety

Basic Theories Special Tools and Procedures

Electrical and Electronic Components Basic Electrical Troubleshooting and Service

Wiring and Circuit Diagrams Wiring Repair and Reading Circuit Diagrams

Starting Systems and Motor Designs Starting System Diagnosis and Service

Charging Systems Charging System Testing and Service

Lighting Circuits Lighting Circuits Repair and Diagnosis

Introduction to the Body Computer Body Computer System Diagnosis

Computer Input Sensor Diagnostic Routines

Vehicle Communication Networks Vehicle Multiplexing Diagnostics

Advanced Lighting Circuits Advanced Lighting Systems Diagnosis and Service

Instrumentation and Warning Lamps and Warning Lamp System Diagnosis and Repair

Accessories Electrical Accessories Diagnosis and Repair

Radio Frequency and Infotainment Systems Servicing Radio Frequency and Infotainment Systems

Passive Restraint Systems Servicing Passive Restraint Systems

Vehicles With Alternative Power Sources Hybrid and High-Voltage System Service

Filters