Test Bank For Automotive Maintenance & Light Repair 3rd Edition

1. True or false: NiMH batteries were commonly used in electric-drive vehicles and have been found to offer great service life. However, they are heavy and have low energy density compared to Li-ion batteries.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

REFERENCES:   Nickel-Metal Hydride (NiMH) Batteries

QUESTION TYPE:   True / False

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.02 – Identify HV battery types and their applications.

DATE CREATED:   1/28/2023 5:49 AM

DATE MODIFIED:   1/28/2023 5:50 AM

2. True or false: The ability of a capacitor to store an electric charge is called capacitance.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

REFERENCES:   Capacitors

QUESTION TYPE:   True / False

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.03 – Explain the purpose of capacitors in an HV drive system.

DATE CREATED:   1/28/2023 5:51 AM

DATE MODIFIED:   1/28/2023 5:52 AM

3. True or false: The HV relays have no internal moving parts that can fail and leave the battery inoperable.

  a.  True

  b.  False

ANSWER:   False

POINTS:   1

REFERENCES:   Battery Disassembly Procedure

QUESTION TYPE:   True / False

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.06 – Review an HV battery service.

DATE CREATED:   1/28/2023 5:53 AM

DATE MODIFIED:   1/28/2023 5:55 AM

4. True or false: Battery cell balance refers to the voltage and capacity of each individual cell or module in a high-voltage battery pack.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

REFERENCES:   Battery Cell Balancing

QUESTION TYPE:   True / False

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.06 – Review an HV battery service.

DATE CREATED:   1/28/2023 5:55 AM

DATE MODIFIED:   1/28/2023 5:56 AM

5. True or false: When a high-voltage battery in a hybrid vehicle no longer has enough charge to start the internal combustion engine, a rescue charge is required.

  a.  True

  b.  False

ANSWER:   True

POINTS:   1

REFERENCES:   Battery Rescue Charge

QUESTION TYPE:   True / False

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.07 – Perform rescue charge for an HV battery.

DATE CREATED:   1/28/2023 5:57 AM

DATE MODIFIED:   1/28/2023 5:58 AM

6. Two technicians are discussing common electric vehicle battery technologies. Technician A says the current most common battery technologies are nickel-metal hydride and lithium ion. Technician B says the current most common battery technologies are nickel-cadmium and lithium-polymer. Who is right?

  a.  A only

  b.  B only

  c.  Both A and B

  d.  Neither A nor B

ANSWER:   a

POINTS:   1

REFERENCES:   Introduction

QUESTION TYPE:   Multiple Choice

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.01 – Describe the purpose of the HV battery in the different HEV and EV systems.

DATE CREATED:   1/28/2023 5:59 AM

DATE MODIFIED:   1/28/2023 6:01 AM

7. All of the following are common rating methods for lead-acid batteries in vehicles today EXCEPT:

  a.  ampere-hour (AH) rating

  b.  cold-cranking amps (CCA) rating

  c.  reserve capacity (RC) rating

  d.  cranking amps (CA) rating

ANSWER:   a

POINTS:   1

REFERENCES:   Battery Ratings

QUESTION TYPE:   Multiple Choice

HAS VARIABLES:   False

LEARNING OBJECTIVES:   Erj.5.01 – Describe the purpose of the HV battery in the different HEV and EV systems.

DATE CREATED:   1/28/2023 6:04 AM

DATE MODIFIED:   1/28/2023 6:12 AM