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Question

What is the main use of a warding file?

This question was previously asked in
RRB NTPC 2025 Graduate Level CBT 1 Question Paper (25-Mar-2026) (Shift 3)
The correct answer is

Narrow filing

A warding file is primarily used for narrow filing.

Let's explore why this is the correct choice and understand the function of a warding file:

  • Warding File: A warding file has a slim and slender profile which makes it ideal for filing in narrow spaces. It is often used in locksmithing to file narrow areas, especially when adjusting the inner parts of locks.
  • Why Warding Files are Used for Narrow Filing:
    • The reduced cross-section of a warding file permits it to reach and finish work in tight spots where larger files would be ineffective.
    • The cutting edges on warding files are designed to efficiently remove material in confined spaces without causing damage to adjacent areas.

Why the other options are incorrect:

  • Diameter Checking: This involves measuring the diameter of a cylindrical object, and files are not suitable tools for this purpose. Typically, calipers or micrometers are used.
  • Thread Cutting: This process involves creating threads on bolts or inside nuts. Special tools like taps and dies are employed rather than files.
  • Surface Polishing: Polishing is a process of making a surface smooth and shiny, often using abrasive compounds and polishing machines, not files.

Conclusion: The warding file's design optimally suits it for use in narrow filing tasks, justifying it as the correct answer from the provided options.

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Similar Questions

  1. Which feature should be included in a free hand sketch of a flat file used in the workshop?

  2. Which of the following best describes the primary use of a pillar file in fitting work?

  3. If a file is too short for a given job, what is the most likely result during use?

  4. Which operation cannot be performed efficiently with a half round file?

  5. A file is not removing material efficiently. What is the likely cause?

  6. Which application is most suitable for a triangular file?

  7. Which file is best suited for filing internal corners?

  8. When smoothing a rough metal surface, which file type would provide a faster finish?

  9. A fitter is required to file the inner curvature of a pipe and its flat edge. Which file is most suitable?

  10. Which operation is NOT suitable for a single cut file?


Important Questions from File

  1. Which one of the following is a multi-point cutting tool?

  2. What material is used to make file?

  3. What is the name of the hand tool that has small sharp teeth in rows and is used for sharpening or shaping material?

  4. Which is not the part of a file?

  5. The file used for filling leather is

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