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1. What provides the thrust that ejects a projectile at the desired velocity from the muzzle of a gun?

   1.   ?    Bag ammunition
   2.   ?    A propelling charge
   3.   ?    An igniter
   4.   ?    A burster charge
   5.   ?    A booster charge

2. When a gun barrel is rifled, what do you call the raised areas in-between the grooves?

   1.   ?    Arcs
   2.   ?    Lands
   3.   ?    Cutout cams
   4.   ?    Ridges
   5.   ?    Guides

3. What type of special-purpose projectile is commonly referred to as "star shells"?

   1.   ?    Penetrating
   2.   ?    Illuminating
   3.   ?    Nonfragmenting
   4.   ?    Incendiary
   5.   ?    Chaff

4. Heavy antiaircraft barrages through which aircraft must fly to attack defended targets are called what?

   1.   ?    Fuzes
   2.   ?    Ogives
   3.   ?    Shrapnel
   4.   ?    Chaff
   5.   ?    Flak

5. When the recoil of a gun ejects the fired powder case and reloads the gun, what do we call it?

   1.   ?    Phalanx
   2.   ?    Automatic
   3.   ?    Semifixed
   4.   ?    Fixed
   5.   ?    Booster

6. Which type of projectiles have relatively thin walls and large burster charges?

   1.   ?    Incendiary
   2.   ?    Penetrating
   3.   ?    Nonfragmenting
   4.   ?    Fragmenting
   5.   ?    Illuminating

7. A "CVT" fuze is what type of fuze?

   1.   ?    Time
   2.   ?    Chaff
   3.   ?    Impact
   4.   ?    Proximity
   5.   ?    Fragmenting

8. Which weapon system has shells weighing 72 pounds, can fire forty rounds per minute and a maximum range of 24,500 yards?

   1.   ?    Oto Melara 3-inch/62-caliber dual-purpose guns.
   2.   ?    16-inch/50-caliber dual-mount guns.
   3.   ?    Phalanx close-in weapon system (CIWS) guns.
   4.   ?    5-inch/54-caliber single-mount guns.
   5.   ?    8-inch/60-caliber single-mount guns.

9. The total path through which a gun barrel can be raised and lowered is known as what?

   1.   ?    The deflection angle
   2.   ?    The arc of train
   3.   ?    The arc of battery
   4.   ?    The arc of elevation
   5.   ?    The cutout cam

10. What term is used to describe gun barrel width in guns less than 3 inches in diameter?

    1.   ?    Radius
    2.   ?    Caliber
    3.   ?    Train
    4.   ?    Elevation
    5.   ?    Battery