Solution and Answer Guide: Today's Technician Automotive Electricity and Electronics, Classroom and Shop Manual Pack 8th Edition Barry Hollembeak
Solution and Answer Guide TODAY'S TECHNICIAN A UTOMOTIVE ELECTRICITY AND ELECTRONICS, CLASSROOM AND SHOP MANUAL PACK 8TH EDITION BARRY HOLLEMBEAK CHAPTER 1-17
CHAPTER 1: I NTRODUCTION TO AUTOMOTIVE E LECTRICAL AND E LECTRONIC S YSTEMS
TABLE OF CONTENTS Classroom Manual: Answers to Short-Answer Essay Questions ............ 1 Classroom Manual: Answers to Fill-in-the-Blank Questions ............. 3 Classroom Manual: Answers to Multiple Choice Questions ............... 4 Shop Manual: Answers to ASE-Style Review Questions ................... 6
CLASSROOM MANUAL: ANSWERS TO SHORT-ANSWER ESSAY QUESTIONS 1. Describe your level of comfort concerning automotive electrical systems. Solution Answer will depend on the student’s training and experience. 2. Explain why you feel it’s important to understand the operation of the automotive electrical system. Solution Answer will depend on the student’s training and experience. 3. Explain how the use of computers has changed the automotive electrical system. Solution Answer will depend on the student’s training and experience. 4. Explain the difference between an electric vehicle and a fuel cell vehicle. Solution
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Solution and Answer Guide: Chapter 1: Introduction to Automotive Electrical and Electronic Systems
A fuel cell-powered vehicle is basically an electric vehicle, except the fuel cell produces and supplies electrical power to the electric motor instead of batteries. An electric vehicle operates on a large battery pack that is recharged by connection to the electric grid. 5. Explain the basics of HEV operation. Solution A hybrid electric vehicle relies on power from the electric motor, the engine, or both. The battery can be charged by the engine. 6. What is the purpose of the keyless entry system? Solution Keyless entry allows the driver to unlock the doors or the deck lid from outside of the vehicle without the use of the key. 7. What safety benefits can be achieved from the automatic door lock system? Solution Automatic door lock systems can prevent the door from being opened while the vehicle is in motion, can help to prevent the door from opening in the event of an accident, and protects the occupants from others attempting to enter the vehicle unlawfully. 8. What is the purpose of the starting system? Solution The starting system is designed to change the electrical energy that is being stored in the battery, into mechanical energy to rotate the engine. 9. What is the purpose of the charging system? Solution The charging system is used to restore the electrical power to the battery that was used during engine starting and generates the current to operate all of the electrical accessories while the engine is running. The purpose of the charging system is to convert the mechanical energy of the engine into electrical energy to recharge the battery and run the electrical accessories. 10.
What is the function of the air bag system?
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Solution and Answer Guide: Chapter 1: Introduction to Automotive Electrical and Electronic Systems
Solution To deploy in the event of an accident that is severe enough to cause injury.
CLASSROOM MANUAL: ANSWERS TO FILL-IN-THE-BLANK QUESTIONS 1. The ability of computers to share information with each other is _____. Solution multiplexing 2. The ability of computers to share information with each other is _____. Vehicle instrumentation systems _____ the various operating systems and provide information to the driver about their correct operation. Solution monitor 3. A _____ is an electronic device that stores and processes data. Solution computer 4. The starting system is designed to change the _____ energy into mechanical energy. Solution electrical 5. The _____ _____ feature is an additional function of the memory seat that provides for easier entrance and exit of the vehicle. Solution easy exit 6. The _____ _____ is the power distribution point for most of the vehicle’s primary electrical systems. Solution Ignition switch 7. The antitheft system is referred to as a _____ system.
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Solution and Answer Guide: Chapter 1: Introduction to Automotive Electrical and Electronic Systems
Solution security 8. The purpose of the charging system is to convert the _____ energy of the engine into _____ energy. Solution mechanical, electrical (in order) 9. _____ restraints operate automatically, with no action required on the part of the driver. Solution Passive 10. The _____ _____ _____ uses an on-board power generator that is assisted by an internal combustion engine. Solution electric hybrid vehicle
CLASSROOM MANUAL: ANSWERS TO MULTIPLE CHOICE QUESTIONS 1. Electric vehicles power the motor by: a. A generator. b. A battery pack. c. An engine. d. None of these choices. Answer: b 2. The charging system: a. Provides electrical energy to operate the electrical system while the engine is running. b. Restores the energy to the battery after starting the engine. c. Uses the principle of magnetic induction to generate electrical power. d. All of these choices. Answer: d 3. The memory seat system: a. Operates separately of the power seat system. b. Requires the vehicle to be moving before the seat position can be recalled.
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Solution and Answer Guide: Chapter 1: Introduction to Automotive Electrical and Electronic Systems
c. Allows for the driver to program different seat positions that can be recalled at the push of a button. d. Can be equipped only on vehicles with manual position seats. Answer: c 4. The following are true about the easy exit feature EXCEPT: a. It’s an additional function of the memory seats. b. The driver’s door is opened automatically. c. The seat is moved all the way back and down. d. The system may move the steering wheel up. Answer: b 5. The following are components of the starting system EXCEPT: a. The flywheel ring gear. b. Neutral safety switch. c. Harmonic balancer. d. Battery. Answer: c 6. Which of the following is the most correct statement? a. Automotive electrical systems are interlinked with each other. b. All automotive electrical systems function the same on every vehicle. c. Manufacturers are required by federal legislation to limit the number of computers used on today’s vehicles. d. All of these choices. Answer: a 7. Automotive horns operate on the principle of: a. Induced voltage. b. Depletion zone bonding. c. Frequency modulation. d. Vibrating a column of air. Answer: d 8. The purpose of multiplexing is to: a. Increase circuit loads to a sensor. b. Prevent electromagnetic interference. c. Allow computers to share information. d. Prevent multiple system failures from occurring. Answer: c 9. The following are true about the air bag system EXCEPT:
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