// LET'S STUDY AVIATION

Let's Study Aviation

Airframe Test A1 and Power Plant Test A4 — pick a subject and test yourself.

1 Which of the following will decrease volumetric efficiency in a reciprocating engine? 1. Full throttle operation. 2. Low cylinder head temperatures. 3. Improper valve timing. 4. Sharp bends in the induction system. 5. High carburetor air temperatures.