MCAWS Marine Corps Cannoneer Course (MCCC) Practice Test

What primarily determines muzzle velocity in artillery?

The amount of propellant (charge) The weather conditions The type of spotting round The color of the casing

Correct Answer:

The amount of propellant (charge)

Explanation:

Muzzle velocity is set by the gas pressure created when the propellant charge burns in the barrel. That pressure pushes the projectile along the bore, so a larger charge generates higher acceleration and a faster exit speed—within the gun’s designed limits. Weather can affect the shell’s flight after it leaves the muzzle (through air density and drag), influencing range and trajectory, but it doesn’t determine the speed at which the shell exits the barrel. The spotting round type can alter weight and drag, which changes how it behaves in flight and the charge needed for a given range, but the exit speed for a given charge is still governed by the amount of propellant. The color of the casing has no effect on muzzle velocity.

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