BBS 200 ADVANCED BALLISTICS SDI EXAM QUESTIONS WITH CORRECT ANSWERS GRADED A+
Ballistics deals with - Answers The science of moving projectiles
When shooting uphill, the gun will shoot - Answers High
In what type of terrain are vertical winds usually encountered? - Answers Mountainous or hilly areas
What is the name of the test data, compiled in Germany in 1881 that turned out to be the basis for
ballistics tables for small arms right up to the present time? - Answers Krupp test data
When shooting downhill, the gun will shoot: - Answers High
What is the altitude used for most ballistics tables? - Answers Sea level
Who invented the ballistic pendulum in the year 1740? - Answers Robins
After a bullet leaves the rifle barrel, what two forces act on the bullet's trajectory? - Answers Gravity and
the force due to the air flow around the bullet.
The ballistic pendulum was based upon laws of mechanics formulated by: - Answers Sir Isaac Newton
A bullet's reaction to wind depends on what two factors? - Answers Speed and direction of the wind
The primary advantage of a Progressive press is: - Answers Higher rate of cartridge assembly compared
to single stage press
What is "start pressure?" - Answers The amount of pressure necessary for the bullet to overcome the
initial forces of friction
What is case obturation? - Answers The ability of a case to expand and then return to its basic shape
The dent, coming from the firing pin striking the metal side of the primer, creates the pressure needed
to ignite the priming mixture. - Answers True
If you are using "range brass," what must you make sure of before reloading? (Click all the apply) -
Answers Check the headstamp for caliber designation, That the cases are the correct chambering for
your gun
Despite the extreme stresses places on cases, because of obturation, previously fired brass cases do not
require special preparation before being reloaded. - Answers False
Which press is essentially single-stage but can be mounted with various dies at one time? - Answers The
turret
What is always the first consideration when reloading any cartridge? - Answers Safety
, When sorting brass, what should you do if cracks, splits, or head separation is detected? - Answers
Discard it
The measurement for overall case length is taken from the flat of the case head to the opening of the
case mouth, and the length is always expressed as a maximum dimension less _____________. -
Answers Ten-thousandths of an inch
To achieve proper obturation on a resized case, it is preferable to focus on the dimensions of a minimum
chamber specification, one that has only the slightest clearance needed to easily and safely chamber the
round. - Answers True
Which reloading scale is accurate, inexpensive, and not affected by changes in atmospheric pressure? -
Answers A beam scale
Which process compresses metal and reforms it to a specified dimension? - Answers Resizing
The sizing die is ________ and needs to be fitted into an appropriate reloading press. - Answers
Cartridge-specific
The cleaning of the primer pocket cannot be done until the primer is removed. - Answers True
Full-length sizing die setup begins by inserting the ______ into the top of the press's ram. - Answers
Shellholder
What is the proper name for a bullet tip - Answers The meplat
What is the name for backing off the ram slightly and screwing in the die an additional 1/8- to ¼-turn? -
Answers Cam-over
What will using the dial or electronic caliper and measuring the case from the meplat to the flat of the
case head where the primer is located do? - Answers It will give you the COL measurement of the loaded
round after soft-seating
Which of the following allows great precision in your powder loading? - Answers A powder trickler
Cartridge overall length is not important to safe functioning of your reload in your firearm. - Answers
False
The shellholder is specific not to caliber, but rather to the dimensions of the case head. - Answers True
Which of the following tools returns the expanded brass to a reusable state? - Answers The resizing die
After trimming, priming, and loaded the case with powder, what is now needed in your press? - Answers
The seating die
For most presses with the priming feature, which way should the primer anvil be facing? - Answers It
should be facing up
Ballistics deals with - Answers The science of moving projectiles
When shooting uphill, the gun will shoot - Answers High
In what type of terrain are vertical winds usually encountered? - Answers Mountainous or hilly areas
What is the name of the test data, compiled in Germany in 1881 that turned out to be the basis for
ballistics tables for small arms right up to the present time? - Answers Krupp test data
When shooting downhill, the gun will shoot: - Answers High
What is the altitude used for most ballistics tables? - Answers Sea level
Who invented the ballistic pendulum in the year 1740? - Answers Robins
After a bullet leaves the rifle barrel, what two forces act on the bullet's trajectory? - Answers Gravity and
the force due to the air flow around the bullet.
The ballistic pendulum was based upon laws of mechanics formulated by: - Answers Sir Isaac Newton
A bullet's reaction to wind depends on what two factors? - Answers Speed and direction of the wind
The primary advantage of a Progressive press is: - Answers Higher rate of cartridge assembly compared
to single stage press
What is "start pressure?" - Answers The amount of pressure necessary for the bullet to overcome the
initial forces of friction
What is case obturation? - Answers The ability of a case to expand and then return to its basic shape
The dent, coming from the firing pin striking the metal side of the primer, creates the pressure needed
to ignite the priming mixture. - Answers True
If you are using "range brass," what must you make sure of before reloading? (Click all the apply) -
Answers Check the headstamp for caliber designation, That the cases are the correct chambering for
your gun
Despite the extreme stresses places on cases, because of obturation, previously fired brass cases do not
require special preparation before being reloaded. - Answers False
Which press is essentially single-stage but can be mounted with various dies at one time? - Answers The
turret
What is always the first consideration when reloading any cartridge? - Answers Safety
, When sorting brass, what should you do if cracks, splits, or head separation is detected? - Answers
Discard it
The measurement for overall case length is taken from the flat of the case head to the opening of the
case mouth, and the length is always expressed as a maximum dimension less _____________. -
Answers Ten-thousandths of an inch
To achieve proper obturation on a resized case, it is preferable to focus on the dimensions of a minimum
chamber specification, one that has only the slightest clearance needed to easily and safely chamber the
round. - Answers True
Which reloading scale is accurate, inexpensive, and not affected by changes in atmospheric pressure? -
Answers A beam scale
Which process compresses metal and reforms it to a specified dimension? - Answers Resizing
The sizing die is ________ and needs to be fitted into an appropriate reloading press. - Answers
Cartridge-specific
The cleaning of the primer pocket cannot be done until the primer is removed. - Answers True
Full-length sizing die setup begins by inserting the ______ into the top of the press's ram. - Answers
Shellholder
What is the proper name for a bullet tip - Answers The meplat
What is the name for backing off the ram slightly and screwing in the die an additional 1/8- to ¼-turn? -
Answers Cam-over
What will using the dial or electronic caliper and measuring the case from the meplat to the flat of the
case head where the primer is located do? - Answers It will give you the COL measurement of the loaded
round after soft-seating
Which of the following allows great precision in your powder loading? - Answers A powder trickler
Cartridge overall length is not important to safe functioning of your reload in your firearm. - Answers
False
The shellholder is specific not to caliber, but rather to the dimensions of the case head. - Answers True
Which of the following tools returns the expanded brass to a reusable state? - Answers The resizing die
After trimming, priming, and loaded the case with powder, what is now needed in your press? - Answers
The seating die
For most presses with the priming feature, which way should the primer anvil be facing? - Answers It
should be facing up
