Machinability MCQ

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

• The tool material, for faster machining, should have
  ক

  wear resistance

  খ

  red hardness

  গ

  toughness

  ঘ

  all of the mentioned
• In machining metals, surface roughness is due to
  ক

  feed marks or ridges left by the cutting tool

  খ

  fragment of built up edge on the machined surface

  গ

  cutting tool vibrations

  ঘ

  all of the mentioned
• The machining of titanium is difficult due to
  ক

  high thermal conductivity of titanium

  খ

  chemical reaction between tool and work

  গ

  low tool-chip contact area

  ঘ

  none of the mentioned
• For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  ক

  10 m/min

  খ

  15 m/min

  গ

  22 m/min

  ঘ

  30 m/min
• For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
  ক

  5 m/min

  খ

  10 m/ min

  গ

  15 m/min

  ঘ

  30 m/min
• For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of
  ক

  500

  খ

  1000

  গ

  1750

  ঘ

  2750
• The specific cutting energy used for establishing the machinability of the metal depends upon its
  ক

  coefficient of friction

  খ

  micro-structure

  গ

  work hardening characteristics

  ঘ

  all of the mentioned