Questions and Answers
1. Radial engines have appeared in 2 forms what are they?
: Rotary Static
2. what is the most common type of aviation engine?: Opposed type
3. opposed engine crankcase are made of what?: Aluminum Alloy
4. how are crankcase halves sealed?
what are the two things used?: non-hardening gasket,
Silk thread
5. the 3 main parts of a crankshaft are?: main journal crank cheek
crank pins
6. the outer surface of the crankpins and journals are hardened by what?: Ni- triding
7. how are crankshaft checked for balance, what balance is checked for specif- ically?: static Balance. (through the
use of knifes edges)
8. to reduce vibration to a minimum during engine operation what are used on the crank shaft?: dynamic damper
9. what are the 3 types of bearing in general use?: Plain
Ball
Roller
10.what bearings do crankshaft usually rotate in?: Plain bearings
11.what links the piston and crankshaft and transmittes the force: The con- necting rod
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, avmt recip 1 engines section A
Questions and Answers
12.What are the 3 types of connecting rod assemblies ?: Plain
Master and articulated Fork and blade
rod
13.What type of connecting rod is used on horizontally opposed engines?: -
Plain type connecting rod
14.what connecting rod is used in radial engines?: Master and articulated
15.in a radial engine what is used to connect the articulating rods to the master rod?: Knuckle Pins
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