Identify magnification tools used in VT inspections.

• A. Video borescope with magnification and a microscope.
• B. Caliper and micrometer.
• C. Hand lens (2x–10x) and a portable magnifier or loupe.
• D. Stethoscope and flashlight.

Answer: (C)

Magnification is essential in VT to reveal surface flaws that the eye alone might miss. The most practical tools for this purpose are a hand lens (2x–10x) and a portable magnifier or loupe. A hand lens lets you quickly scan a broad area at modest magnification to spot scratches, tool marks, pits, and streaks. If you need more detail, a loupe provides a steadier, higher-magnification view (often around 10x) to assess crack width, porosity, or small corrosion features with better precision. These tools are portable, require no power, and are designed for field inspections, making them the go-to choice for magnification in VT.

Calipers and micrometers measure dimensions rather than magnify the view. A stethoscope and flashlight offer sound and illumination but not magnification. While a video borescope or microscope can magnify, they’re more specialized or lab-oriented and not the standard handheld magnification set used for typical VT inspections.