TUCHA stands for Type Unit Characteristics.

• A. Type Unit Header and Control Archive
• B. Type Unit Characteristics
• C. Type Unit Code Handbook
• D. Type Unit Compatibility and History

Answer: (B)

TUCHA is used as a label for a document that lists the defining attributes of a Type Unit. The correct expansion is Type Unit Characteristics because it directly describes a collection of attributes that characterize a unit. The other options introduce terms like header, archive, code, handbook, compatibility, or history, which do not form the established name for this set of unit attributes. Recognizing that TUCHA stands for Type Unit Characteristics helps you recall the purpose of the document: to summarize the characteristic details that identify and differentiate a Type Unit.