Ignition systems ppt

Multiple Choice

Which of the following is the main purpose of the ignition system in an internal combustion engine?

• To cool the engine

• To create a spark to ignite the air-fuel mixture

• To lubricate engine parts

• To control exhaust emissions

Multiple Choice

Which components are essential for all types of ignition systems?

• Spark plugs, ignition coil(s), device to trigger ignition coil(s)

• Battery, alternator, starter motor

• Fuel injectors, air filter, oil pump

• Radiator, thermostat, water pump

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Multiple Choice

What are the three main types of ignition systems developed due to advancements in technology?

• Electronic ignition system, waste spark ignition system, coil-on-plug system

• Breaker point system, electronic ignition system, rotary ignition system

• Direct ignition system, rotary ignition system, waste spark ignition system

• Breaker point system, coil-on-plug system, rotary ignition system

Multiple Select

Which of the following statements about the contact breaker point ignition system are correct?

• It is not electronic

• It uses a switch

• It uses contact breaker points

• It is a direct ignition system

Fill in the Blank

Fill in the blank: In a breaker point ignition system, the ________ is responsible for opening and closing the primary ignition circuit.

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Multiple Choice

Which component in the waste spark ignition system is responsible for sending signals to the ignition module?

• Optical sensor

• Ignition coil

• Battery

• Spark plug

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Fill in the Blank

The ignition system needs an induction coil to convert low voltage and high-current flow into ___ voltage and very low-current flow.

Multiple Select

Which of the following are sections of the ignition system as shown in the diagram?

• Primary

• Secondary

• Tertiary

• Magnetic triggering device

Multiple Choice

Which of the following is a component found in the primary circuit of an electronic ignition—distributor-type system?

• Battery

• Spark plug wires

• Distributor cap

• Rotor

Open Ended

Describe the process by which the ignition coil generates a high-voltage spark in the secondary circuit.

Multiple Choice

Which of the following factors can affect the voltage induced in the ignition coil?

• Magnetic field strength

• Number of turns on coils

• Cutting speed for lines of force

• All of the above

Multiple Choice

Based on the oscilloscope reading, what happens to the primary circuit voltage when the points open?

• It increases sharply

• It decreases to zero

• It remains constant

• It oscillates

Fill in the Blank

The secondary winding of an induction coil is made of many thousands of turns of fine, enameled ___ wire.

Open Ended

Explain the difference between required voltage and available voltage in diagnosing ignition system faults.

Multiple Choice

What is the purpose of the high-voltage spark in a gasoline engine's ignition system?

• To ignite the air-fuel mixture

• To cool the engine

• To lubricate engine parts

• To increase fuel efficiency

Open Ended

Summarize how the ignition system in a gasoline engine contributes to the engine's operation. What are the key steps involved?