Answers Graded A+
One possible indicator that a barrel is likely to shoot poorly is pitting near the
crown. - Correct answer-True
Lands in the throat area which are uneven in their start points are usually caused by
- Correct answer-Cleaning rod damage
According to Joe Carlos, what must you do with a barrel to know for certain what
its current capabilities are? - Correct answer-Shoot it
The electropolishing process both improves barrel accuracy and is safe for the
environment. - Correct answer-False
Joe Carlos's experiment showed that electropolishing was - Correct answer-
effective for increasing the accuracy of damaged barrels
The fire lapping process involves - Correct answer-firing cartridges with
progressively finer grit abrasive-coated bullets, which effectively polishes the bore
Fire lapping has about the same average effective improvement on accuracy as
electropolishing - Correct answer-True
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, There is generally more need for fire lapping in: - Correct answer-button rifled
bores
Fire lapping does not remove metal from the barrel - Correct answer-False
Throat maintenance" bullets were found through extensive testing to - Correct
answer-have a reliably positive impact on accuracy
Power Buffing: When using a bench grinder, one end of a double-ended shaft
contains a conventional grinding wheel, while the other shaft has which of the
following - Correct answer-Muslin Buffing Wheel
There are four popular methods of finishing gun metal prior to bluing, plating,
Parkerizing, and the like: hand-polishing, power buffing, mass finishing, which of
the following - Correct answer-Sandblasting
Although it is a normal practice in gun shops, using the lathe for polishing and
grinding is recommended. - Correct answer-False
When polishing, be careful not to polish out which of the following, and other
lettering that is found on the typical firearm - Correct answer-Serial Numbers
In general, power polishing entails starting with which of the following grits and
polishing the surface of the metal in a given direction - Correct answer-Coarset
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