NCAA AME Powerplant Exam Practice Test & Question Bank Practice Questions - NCAA Aircraft Maintenance Engineer Licence - Powerplant (Nigeria) Exam

Why is valve overlap incorporated into four-stroke engine timing schedules?

To prevent spark plug fouling at low idle speeds To allow better cylinder scavenging and intake charge induction using gas inertia To increase the compression ratio during high-altitude operation To ensure complete closure of both valves during the power stroke

Correct Answer:

To allow better cylinder scavenging and intake charge induction using gas inertia

Access more questions from this quiz

Continue to NCAA AME Powerplant Exam Practice Test & Question Bank Practice Questions - NCAA Aircraft Maintenance Engineer Licence - Powerplant (Nigeria) Exam for more practice questions and the full quiz experience.

Access More Questions