FAA Powerplant - Study guides, Class notes & Summaries

FAA POWERPLANT WRITTEN EXAM PREP – ACTUAL QUESTIONS WITH VERIFIED ANSWERS 2025/2026

The horizontally opposed engine has a much smaller frontal area and is easier to streamline than a radial engine. - answer-What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft? Six. - answer-How many throws are there in the crankshaft of a six-cylinder horizontally opposed engine? A master rod connects the single throw of the crankshaft with a piston. All of the other pistons are connected to the master rod with link rods. - answer...

faa powerplant part 3 questions with complete solutions

What are the different types of piston rings? CORRECT ANSWER Compression rings, oil control rings, and scraper rings. What type of piston rods are commonly found in radial engines? CORRECT ANSWER Master and articulating What types of bearings are generally found in reciprocating engines? CORRECT ANSWER Plain, roller, and ball bearings What is the indication of valve blow-by? CORRECT ANSWER A hissing or whistle when pulling the propeller prior to starting the engine. What is the purpo...

Based on the criteria of efficiency of an engines weight to the power it produces, which type of engine is the best choice for an aircraft operating at speeds of 300mph at altitudes between 20,000-25,000 ft? CORRECT ANSWER Turboprop Engines An aircraft engine has 9 cylinders. From this information alone we can deduce that CORRECT ANSWER its firing order is 1-3-5-7-9-2-4-6-8 The crankcase of an aircraft engine CORRECT ANSWER Is the foundation of the engine containing crankshaft bearings and...