FAA Powerplant Written Practice Test

In regards to a shower of sparks ignition system, which statement is true about the retard breaker points?

1. Both statements are true

2. Only #1 is true

3. Only #2 is true

4. Neither statement is true

The correct answer is: Only #2 is true

In a shower of sparks ignition system, the retard breaker points play a crucial role in timing the ignition of the engine. When evaluating the statements regarding the retard breaker points, it is important to understand their specific function. One correct assertion about the retard breaker points is that they are designed to open later in the engine cycle compared to the regular breaker points. This delayed opening helps to generate a more powerful spark, enhancing combustion and overall engine performance, particularly during high-speed operation. Additionally, the ignition timing adjustment associated with the retard breaker points allows for the “shower of sparks” effect, which is characterized by a series of high-intensity sparks rather than a single spark, optimizing the ignition process. Recognizing that only one of the provided statements accurately describes this function clarifies why the selected answer is the most accurate. The emphasis on the effectiveness of retard breaker points in contributing to a multi-spark ignition scenario highlights their importance in enhancing the reliability and performance of the ignition system in various engine conditions.