SACAA CPL Aircraft General Knowledge Practice Questions - SACAA Commercial Pilot Licence (Aeroplane) Aircraft Technical & General Knowledge Examination Exam

Detonation is uncoordinated explosive combustion of remaining fuel charge, whereas pre-ignition occurs when the mixture ignites before the normal spark Detonation is caused solely by cold engine oil, whereas pre-ignition is caused by excessive propeller blade pitch Detonation causes an immediate drop in CHT, whereas pre-ignition causes CHT to remain unchanged Detonation only occurs in diesel engines, whereas pre-ignition only occurs in gas turbine engine combustion chambers