Name the three primary UT display formats and a key use for each.

• A. A-scan: 2D cross-section image; B-scan: depth sizing; C-scan: plan view of reflectivity.
• B. A-scan: time/amplitude for depth sizing; B-scan: 2D cross-section image; C-scan: plan view of reflectivity.
• C. A-scan: plan view of reflectivity; B-scan: time/amplitude; C-scan: 3D image.
• D. A-scan: depth profiling; B-scan: surface profile; C-scan: color map of composition.

Answer: (B)