Automotive Electrical and Electronics Systems Quiz
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Questions and Answers

What is the main function of the ignition system in a spark ignition engine?

  • To control the speed of the automobile
  • To compress the air-fuel mixture in the engine
  • To regulate the flow of electricity in the engine
  • To generate spark at the correct time to ignite the air-fuel mixture (correct)
  • What is one of the requirements of an ignition system for an automobile?

  • Generating spark for a very short duration
  • Functioning satisfactorily only at high engine speeds
  • Producing low voltage current for the spark plug
  • Producing high voltage current for the spark plug (correct)
  • Which component of the electrical system generates spark at the correct time in an automobile?

  • Wiring
  • Battery
  • Distributor (correct)
  • Regulator
  • What is the main function of the ignition switch in the battery ignition system?

    <p>To turn on and off the ignition system</p> Signup and view all the answers

    Which type of battery is typically used in heavy duty commercial vehicles for spark ignition systems?

    <p>Lead acid battery</p> Signup and view all the answers

    What converts chemical energy to electric energy in the battery ignition system?

    <p>Dynamo</p> Signup and view all the answers

    What is the service period for the electronic ignition system?

    <p>25000 miles</p> Signup and view all the answers

    What component does the distributorless ignition system lack?

    <p>Distributor</p> Signup and view all the answers

    What requires periodic check in the electronic ignition system?

    <p>Distributor's point gap</p> Signup and view all the answers

    How many ignition coils are used in the distributorless ignition system?

    <p>A number of ignition coils, each coil per spark plug</p> Signup and view all the answers

    Study Notes

    Ignition System Overview

    • The main function of the ignition system in a spark ignition engine is to generate sparks at the correct time to ignite the fuel-air mixture.

    Ignition System Requirements

    • One of the requirements of an ignition system for an automobile is to generate sparks at the correct time.

    Spark Generation

    • The ignition coil generates spark at the correct time in an automobile.

    Ignition Switch Function

    • The main function of the ignition switch in the battery ignition system is to connect and disconnect the battery from the ignition circuit.

    Battery Type

    • Heavy-duty commercial vehicles typically use maintenance-free batteries for spark ignition systems.

    Energy Conversion

    • The battery converts chemical energy to electric energy in the battery ignition system.

    Service Period

    • The electronic ignition system has a long service period, with minimal maintenance required.

    Distributorless Ignition System

    • The distributorless ignition system lacks a distributor, which is typically used to direct sparks to the correct cylinder.

    Periodic Checks

    • The ignition timing and spark plug condition require periodic checks in the electronic ignition system.

    Ignition Coils

    • The distributorless ignition system uses multiple ignition coils, one for each cylinder.

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    Description

    Test your knowledge on automotive electrical and electronics systems with this quiz based on the module 1 lecture by Dr. Mukesh Sharma. The quiz covers topics such as ignition systems, charging systems, starting systems, spark plugs, alternator, battery, distributor, wiring, and more.

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