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Exam (elaborations)
FAA Powerplant Written Test - Chapter 1 - Reciprocating Engines Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
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---7February 20262025/2026A+
- FAA Powerplant Written Test - Chapter 1 - 
Reciprocating Engines Exam UPDATED 
ACTUAL QUESTIONS AND CORRECT 
ANSWERS 
Which statement is true regarding bearings used in high-powered reciprocating aircraft 
engines? - CORRECT ANSWER 
There is less rolling friction when ball bearings are 
used than when roller bearings are employed 
What is the principle advantage of using propeller reduction gears? - CORRECT 
ANSWER 
To enable the engine RPM to be increased with an accompanying in...
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STANFORDTOPGRADES
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Exam (elaborations)
Chapter 1: Reciprocating Engines Section A Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
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---7February 20262025/2026A+
- Chapter 1: Reciprocating Engines Section A 
Exam UPDATED ACTUAL QUESTIONS 
AND CORRECT ANSWERS 
Radial engines have appeared in two forms - CORRECT ANSWER 
radial engine 
2. The static-type radial engine 
1. The rotary-type 
The _______ ________ - type engine has two banks of cylinders directly opposite each other 
with a crankshaft in the middle. - CORRECT ANSWER 
Horizontally opposed 
Horizontally opposed engine crankcases are usually cast from _____________________ 
alloy - C...
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STANFORDTOPGRADES
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Exam (elaborations)
PowerPlant Reciprocating Engines Part 1 Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
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---3February 20262025/2026A+
- PowerPlant Reciprocating Engines Part 1 
Exam UPDATED ACTUAL QUESTIONS 
AND CORRECT ANSWERS 
Backfiring through the carburetor generally results from the use of 
A. An excessively lean mixture. 
B. Excessively atomized fuel. 
C. An excessively rich mixture - correct answer 
c 
The primary concern in establishing the firing order for an opposed engine is to 
A. Provide for balance and eliminate vibration to the greatest extent possible. 
B. Keep power impulses on adjacent cylinders a...
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STANFORDTOPGRADES
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Exam (elaborations)
Power Plant Reciprocating Engines Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
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---13February 20262025/2026A+
- Power Plant Reciprocating Engines Exam 
UPDATED ACTUAL QUESTIONS AND 
CORRECT ANSWERS 
Some cylinder barrels are hardened by - CORRECT ANSWER 
nitriding 
Which of the following engine servicing operations generally requires engine pre-oiling prior 
to starting the engine? - CORRECT ANSWER 
Engine installation. 
One cause of afterfiring in an aircraft engine is - CORRECT ANSWER 
rich mixture. 
What does valve overlap promote? - CORRECT ANSWER 
an excessively 
Better scaven...
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STANFORDTOPGRADES
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Exam (elaborations)
Powerplant - Reciprocating Engines Questions and Answers Well Solved
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---4October 20252025/2026A+
- Powerplant - Reciprocating Engines Questions and Answers Well Solved 
What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft? - Answers The horizontally opposed engine has a much smaller frontal area and is easier to streamline than a radial engine. 
How many throws are there in the crankshaft of a six-cylinder horizontally opposed engine? - Answers Six 
What kind of connecting rod arrangement is used in a radial engine? - Answers A master r...
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