10 Questions
What is the main function of the ignition system in a spark ignition engine?
To generate spark at the correct time to ignite the air-fuel mixture
What is one of the requirements of an ignition system for an automobile?
Producing high voltage current for the spark plug
Which component of the electrical system generates spark at the correct time in an automobile?
Distributor
What is the main function of the ignition switch in the battery ignition system?
To turn on and off the ignition system
Which type of battery is typically used in heavy duty commercial vehicles for spark ignition systems?
Lead acid battery
What converts chemical energy to electric energy in the battery ignition system?
Dynamo
What is the service period for the electronic ignition system?
25000 miles
What component does the distributorless ignition system lack?
Distributor
What requires periodic check in the electronic ignition system?
Distributor's point gap
How many ignition coils are used in the distributorless ignition system?
A number of ignition coils, each coil per spark plug
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.
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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