ECM-Process Control MCQ

Test your knowledge with important ECM-Process Control MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more ECM-Process Control MCQs at Bissoy

• Which type of damage is caused by deterioration which is caused by spark?
  ক

  Reparable

  খ

  Irreparable

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• State whether the following statement is true or false regarding the process control of ECM. “In Electrochemical machining, increase in unmanned machining hours reduces the possibility of integration of process with CAD/CAM systems.”
  ক

  True

  খ

  False
• With an increase in unmanned machining hours, what happens to the efficiency of ECM?
  ক

  Increases

  খ

  Reduces

  গ

  Decreases

  ঘ

  Increase and then decrease
• The cost of additional control hardware remain a _________ fraction of total machining cost.
  ক

  Small

  খ

  Large

  গ

  Equal

  ঘ

  None of the mentioned
• What happens to the product cycle time, if the machining performance is improved?
  ক

  Increases

  খ

  Decreases

  গ

  Remains same

  ঘ

  None of the mentioned
• For large components, actual machining time constitutes to how much percentage of the total machining time?
  ক

  Very low

  খ

  Low

  গ

  Medium

  ঘ

  High
• Non stationary behaviour of ECM is due to, which of the factors below?
  ক

  Gas generation

  খ

  Heating

  গ

  Passivation

  ঘ

  All of the mentioned
• Machining conditions leading to high accuracy are associated with ________ surface roughness and ________ productivity.
  ক

  Greater, greater

  খ

  Smaller, greater

  গ

  Greater, smaller

  ঘ

  Smaller, smaller
• Surface roughness depends on current density, which is affected by which of the following?
  ক

  Tool feed rate

  খ

  Gap voltage

  গ

  Work piece material

  ঘ

  All of the mentioned
• If there is a change in the selected machining conditions, it will have impact on which of the following?
  ক

  Process accuracy

  খ

  Surface finish

  গ

  Process accuracy & Surface finish

  ঘ

  None of the mentioned