Tool Wear Failure MCQ

Test your knowledge with important Tool Wear Failure MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Tool Wear Failure MCQs on Bissoy. Bissoy App

• Tool life is generally better when
  ক

  grain size of the metal is large

  খ

  grain size of the metal is small

  গ

  hard constituents are present in the micro structure of the tool material

  ঘ

  none of the mentioned
• The tool life is said to be over if
  ক

  poor surface finish is obtained

  খ

  there is sudden increase in cutting forces and power consumption

  গ

  overheating and fuming due to heat of friction starts

  ঘ

  all of the mentioned
• Tool life is measured by the
  ক

  number of pieces machined between tool sharpenings

  খ

  time the tool is in contact with the job

  গ

  volume of material removed between tool sharpenings

  ঘ

  all of the mentioned
• Flank wear occurs mainly on the
  ক

  nose part, front relief face and side relief face of the cutting tool

  খ

  face of the cutting tool at a short distance from the cutting edge only

  গ

  cutting edge only

  ঘ

  front face only
• The tool may fail due to
  ক

  cracking at the cutting edge due to thermal stresses

  খ

  chipping of the cutting edge

  গ

  plastic deformation of the cutting edge

  ঘ

  all of the mentioned
• Crater wear leads to
  ক

  increase in cutting temperature

  খ

  weakening of tool

  গ

  friction and cutting forces

  ঘ

  all of the mentioned
• Crater wear is predominant in
  ক

  carbon steels

  খ

  tungsten carbide tools

  গ

  high speed steel tools

  ঘ

  ceramic tools
• Flank wear depends upon the
  ক

  hardness of the work and tool material at the operating temperature

  খ

  amount and distribution of hard constituents in the work material

  গ

  degree of strain hardening in the chip

  ঘ

  none of the mentioned
• Crater wear occurs mainly on the
  ক

  nose part, front relief face and side relief face of the cutting tool

  খ

  face of the cutting tool at a short distance from the cutting edge only

  গ

  cutting edge only

  ঘ

  front face only