Which types of artillery components are categorized as non-adjustable?

In the context of artillery components, non-adjustable artillery systems refer to those that do not allow for on-the-fly modifications to their firing characteristics or parameters in response to changing battle conditions. The terms fixed and separated pertain specifically to how projectiles are categorized based on their design and the manner in which they are deployed.

Fixed artillery components generally refer to munitions that do not have any adjustable components inherent in their design. This means once these components are in place, they cannot be altered while being deployed. Separated components frequently denote those artillery systems where the projectile and its propelling charge are distinct, yet neither possesses the capability for adjustment during operations, maintaining their non-adjustable status.

In contrast, the other options propose categories that either suggest potential for adjustment or do not coherently fit within the established nomenclature for artillery components. Such distinctions help in understanding how artillery operates, particularly under the constraints of large-scale combat where reliability and predictability of fire support are essential.