CAA NZ CPL Aircraft Technical Knowledge Practice Questions - CAA NZ CPL Theory - General Aircraft Technical Knowledge (New Zealand) Exam

To regulate the volume of exhaust gas directed through the turbocharger turbine, controlling compressor output pressure To dump excess induction manifold air directly overboard during engine deceleration To vent unburned fuel vapor out of the exhaust pipe during engine shutdown To bypass high-pressure oil around the turbocharger bearing assembly during cold starts