Powerplant Prep
10 Questions
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Powerplant Prep

Created by
@PrizeBaroque

Questions and Answers

What is the purpose of dynamic dampers on crankshafts?

They reduce engine vibration. (B-8)

What types of bearings are generally found in reciprocating engines?

Plain, ball, and roller bearings. (B-8)

Are the connecting rods used in each cylinder of a radial engine the same?

No, radial engines use master and articulating rod assemblies. (B-8)

Name the different types of piston rings.

<p>Oil control, compression, and oil scraper. (B-8)</p> Signup and view all the answers

What could result from incorrectly installed piston rings?

<p>Excessive oil consumption. (B-8)</p> Signup and view all the answers

What is used to help prevent valve surge or floating in aircraft engines?

<p>Two or more springs used on each valve. (B-8)</p> Signup and view all the answers

On engines equipped with hydraulic valve lifters, what should the running valve clearance be?

<p>Zero (B-8)</p> Signup and view all the answers

What is the purpose of valve overlap?

<p>It allows better volumetric efficiency and lowers cylinder operating temperatures. (B-8)</p> Signup and view all the answers

What indication is given in the event of a leaking or open primer while the engine is running?

<p>The engine will not idle properly. (B-9)</p> Signup and view all the answers

A cold cylinder is found when troubleshooting a running engine. What does this indicate?

<p>No combustion in that cylinder (B-9)</p> Signup and view all the answers

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