Question 1 : Electrochemical deburring ensures which of the following factors after removal of burrs?
1. Required accuracy
2. Proper radius
3. Clean edge
4. All of the mentioned
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Question 2 : In ECDB process, rotating and feeding the tool electrode _____ the deburring process.
1. Enhances
2. Degrades
3. Damages
4. All of the mentioned
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Question 3 : Which of the following materials can be machined using ECDB process?
1. Carbon steels
2. Copper alloys
3. Aluminium alloys
4. All of the mentioned
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Question 4 : In order to produce a proper radius, by how much should the tool tip overlap the machined area?
1. 0.5 to 1 mm
2. 1 to 1.5 mm
3. 1.5 to 2 mm
4. 2 to 2.5 mm
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Question 5 : What are the values, of inter electrode gaps so that machining occurs easily?
1. 0.01 to 0.1 mm
2. 0.1 to 0.3 mm
3. 0.3 to 0.5 mm
4. 0.5 to 0.7 mm
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Question 6 : Which of the following electrolyte can be used for deburring process in ECDB?
1. NaNO₂
2. NaNO₃
3. NaCl
4. All of the mentioned
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Question 7 : What are the values of current densities used in ECDB process?
1. 1 - 5 A/cm²
2. 5 - 10 A/cm²
3. 10 - 15 A/cm²
4. 15 - 20 A/cm²
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Question 8 : What is the value of applied voltage used in ECDB process?
1. 1 to 5 V
2. 5 to 11 V
3. 12 to 24 V
4. 25 to 50 V
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Question 9 : What is the value of pressure of electrolyte used in ECDB process?
1. 0.1 to 0.2 MPa
2. 0.3 to 0.5 MPa
3. 0.7 to 0.9 MPa
4. 1.1 to 1.5 MPa
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Question 10 : What is the value of surface roughness obtained in Electrochemical deburring process?
1. 0.1 to 1 µm
2. 1 to 2 µm
3. 2 to 4 µm
4. 5 to 8 µm
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