Hydraulic Maintenance 1 (C-256) Exam Prep
Free practice questions

Free C-256 Practice Questions

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Question 1

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Correct answer: A - A

What's on the C-256 exam

The Hydraulic Maintenance 1 (C-256) (C-256) exam is organized into 15 knowledge domains. These free practice questions are drawn from across them so you can see where you're strong and where to study:

  1. adhering to hydraulic maintenance safety rules
  2. replacing o-rings
  3. replacing subplate-mounted/cartridge/threaded components
  4. replacing hoses and steel tubing
  5. replacing spin-on and cartridge filters
  6. replacing hydraulic fittings
  7. inspecting hydraulic fluid visually for presence of water or contaminants
  8. inspecting hydraulic fluid using feel/smell for excess temperature and lubricity
  9. taking oil samples for lab testing
  10. using a filter cart to clean a reservoir oil
  11. using a filter cart to change or add reservoir oil
  12. interpreting oil specifications
  13. identifying proper oil container using machine manufacturer specifications
  14. identifying hydraulic components given a specification
  15. bleeding hydraulic cylinders

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