Question 1 : Which of the following electrolytes can be used for high speed polishing?
1. Sodium chloride
2. Sodium nitrate
3. All of the mentioned
4. None of the mentioned
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Question 2 : Which of the following factors control the polishing speed in the process of ECB?
1. Current density
2. Electrolyte type
3. Work piece material
4. All of the mentioned
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Question 3 : What are the values of electrolyte flow rates used in ECB process?
1. 1 - 10 L/min
2. 10 - 100 L/min
3. 100 - 1000 L/min
4. 1000 - 10000 L/min
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Question 4 : What are the values of contact pressures used in ECB process?
1. 1 - 6 g
2. 10 - 60 g
3. 100 - 600 g
4. 1000 - 6000 g
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Question 5 : What are the values of buffing speeds used in ECB process?
1. 0.1 - 0.6 m/s
2. 1 - 6 m/s
3. 10 - 16 m/s
4. 100 - 600 m/s
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Question 6 : What are the values of the current densities used in ECB process?
1. 0.01 - 0.7 A/cm²
2. 0.1 - 7 A/cm²
3. 1 - 14 A/cm²
4. 21 - 42 A/cm²
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Question 7 : What can be the concentration of Sodium chloride used in ECB?
1. 0.1 - 0.5 g/L
2. 1 - 5 g/L
3. 10 - 50 g/L
4. 100 - 500 g/L
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Question 8 : Which of the following electrolytes are used ECB process?
1. Sodium chloride solution
2. Sodium nitrate solution
3. All of the mentioned
4. None of the mentioned
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Question 9 : Compared to conventional mechanical buffing Electro chemical buffing is a _____
1. Slower process
2. Faster process
3. Same speed process
4. None of the mentioned
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Question 10 : What is the full form of ECB in the advanced machining processes?
1. Electro chemical buffing
2. Electro chemical blasting
3. Electron cluster blasting
4. Electron cluster briefing
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