PSI Barbering Practice Exam

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Adjustable-blade clippers have adjustable blades that are affixed to the unit with what?

Bolts
Magnets
Screws
Clips

The correct answer is: Screws

Adjustable-blade clippers utilize screws to secure the blades to the unit. Screws provide a reliable method for fixing the blades in place, allowing for stable adjustment during use, which is crucial for achieving precise cutting lengths. This mechanical fastening also enables the barber to easily remove and replace or adjust the blades as needed for maintenance or to switch to a different blade suited for specific cutting styles. The other options do not provide the same level of security or functionality. For instance, bolts are often used in larger machinery but may not be practical for the finer adjustments required in clipper blades. Magnets, while useful in certain applications, lack the strength and precision needed for securely holding blades in a way that allows for reliable adjustments. Clips, although they can be utilized in some designs, do not offer the level of adjustability and security that screws do in adjustable-blade clippers, making screws the most appropriate choice for this application.