Results for question 1.
1
5/ 5 points
Identify the case type by its features:
Correct answer:
Rimless, Bottleneck
Belted Magnum
, Not Selected
Tapered, Rebated Rim
, Not Selected
Straight Wall, Rimmed
, Not Selected
Results for question 2.
2
5/ 5 points
Traditional cartridges meant for revolvers will headspace against the of the
cartridge.
Mouth
, Not Selected
,Correct answer:
Rim
Belt
, Not Selected
Neck
, Not Selected
Results for question 3.
3
5/ 5 points
List the features of the following cases:
1. Mouth 2. Head 3. Cannelure
, Not Selected
Correct answer:
1. Mouth 2. Extractor Groove 3. Shoulder
1. Shoulder 2. Extractor Groove 3. Neck
, Not Selected
1. Neck 2. Extractor 3. Mouth
, Not Selected
Results for question 4.
4
0/ 5 points
,Explain why tapered cases present a unique challenge when magazine design is concerned.
The tapered case does not create any issues for magazine design.
, Not Selected
Incorrect answer:
The taper case cannot be stacked effectively, causing the magazine design to be very short.
Correct Answer:
The case taper causes the stacked cases to form a curve. The magazine design must account for this
curve, forcing the shape of the magazine to be curved.
The case taper causes the stacked cases to form a curve. The magazine design must account for this
curve, forcing the shape of the magazine to be curved.
, Not Selected
The tapered case causes the rounds to slide off of each other. The inside walls of the magazine must
provide enough friction for the rounds to remain stacked.
, Not Selected
Feedback
Based on answering incorrectly
The answer for this question can be found on page 68 of "Introduction to Ammunition and Basic
Ballistics".
Results for question 5.
5
5/ 5 points
Straight wall, rimless cases (e.g. pistol cases) will headspace against the
Belt
, Not Selected
Shoulder
, Not Selected
Neck
, Not Selected
, Correct answer:
Mouth
Results for question 6.
6
5/ 5 points
What purpose does the extractor groove serve?
The extractor groove serves no purpose.
, Not Selected
The extractor groove is used to remove weight from the case.
, Not Selected
Correct answer:
The extractor groove provides clearance for the extractor claw.
The extractor groove serves to provide a point of headspace.
, Not Selected
Results for question 7.
7
5/ 5 points
What is the most common case material?
Tin
, Not Selected
Aluminum
, Not Selected
Correct answer:
Brass
Steel
, Not Selected
Results for question 8.