2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Metal Forming, Casting and Cutting

Railways NTPC (Technical Ability) Metal Forming, Casting and Cutting Question Bank Metal Cutting

  • question_answer
               The limit to the maximum hardness of a work material which can be machined with HSS tools even at low speeds is set by which one of the following tool failure mechanisms?                                 

    A) Attrition                                        

    B) Abrasion                                     

    C) Diffusion                                      

    D) Plastic deformation under compression

    Correct Answer: A

You need to login to perform this action.
You will be redirected in 3 sec spinner