Unconventional Machine Process Set 24

Mechanical Engineering

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This set of Unconventional Machine Process (UMP) Multiple Choice Questions & Answers (MCQs) focuses on Unconventional Machine Process Set 24

Q1 | If there is a change in the selected machining conditions, it will have impact on which of the following?
Q2 | Surface roughness depends on current density, which is affected by which of the following?
Q3 | Machining conditions leading to high accuracy are associated with                  surface roughness and                  productivity.
Q4 | Non stationary behaviour of ECM is due to, which of the factors below?
Q5 | For large components, actual machining time constitutes to how much percentage of the total machining time?
Q6 | What happens to the product cycle time, if the machining performance is improved?
Q7 | The cost of additional control hardware remain a                    fraction of total machining cost.
Q8 | With an increase in unmanned machining hours, what happens to the efficiency of ECM?
Q9 | Which type of damage is caused by deterioration which is caused by spark?
Q10 | Which of the following use ECM for different applications?
Q11 | Which of the following processes can be done using ECM?
Q12 | Which of the following material cannot be machined using ECM?
Q13 | ECM is used to                    the sharp edges produced after rough cuts.
Q14 | ECM is usually characterized as low accuracy machining, for which of the following reason?
Q15 | In micro ECM, which of the following is used as micro tool?
Q16 | Micro ECM is used to machine which type of parts?
Q17 | Which of the following produces small indents and cavities using micro ECM?
Q18 | What fraction of tool will always be in contact with the work piece?
Q19 | How much amount of wear is present in the tool used in Electrochemical machining?
Q20 | Compared to other processes, machining is done at                      voltages for high rates of material removal.
Q21 | Very small dimensions, up to which value can be controlled using ECM?
Q22 | Complicated profiles can be machined in how many operations in Electrochemical machining?
Q23 | How much amount of thermal damage occurs to the work piece?
Q24 | Which of the following materials can be machined using ECM?
Q25 | What are the requirements of labour for machining purpose in Electrochemical machining?
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