Advanced Machining and Processes Mock Test 6

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Question 1 of 10

1. What is the full form of ECDR in advanced machining processes?

Electrochemical Dissolution

Electrochemical Degradation

Electrochemical Devastation

Electrochemical Drilling

Question 1 of 10

Question 2 of 10

2. What are the values of voltages used in ES drilling process?

150 to 300 V

40 to 70 V

70 to 150 V

10 to 40 V

Question 2 of 10

Question 3 of 10

3. State whether the following statement is true or false regarding the limitations of ECM.
“In ECM, cleaning and oiling of work piece need not be done after machining.”

False

True

Question 3 of 10

Question 4 of 10

4. Which of the following produces small indents and cavities using micro ECM?

None of the mentioned

Switching the pulse current

Moving the work piece

Moving the work piece & Switching the pulse current

Question 4 of 10

Question 5 of 10

5. Which of the following can be used as electrolytes in STEM process?

Sulphuric acid

Nitric acid

All of the mentioned

Hydrochloric acids

Question 5 of 10

Question 6 of 10

6. What may the hole sizes, that can be machined using STEM process?

0.02 – 0.3 mm

50 – 76 mm

8 – 20 mm

0.5 – 6 mm

Question 6 of 10

Question 7 of 10

7. To which components mentioned below, ECDM can be applied?

Drilled holes

Milled components

Spline shafts

All of the mentioned

Question 7 of 10

Question 8 of 10

8. Overcut produced in ECRD is difference between which of the following parameters?

Diameter of tool, depth of tool

Diameter of hole, diameter of tool

Diameter of tool, diameter of hole

Depth of tool, diameter of tool

Question 8 of 10

Question 9 of 10

9. Compared to the diameter of the electrolyte jet, how are the produced hole diameters?

5 times

2 times

3 times

4 times

Question 9 of 10

Question 10 of 10

10. Which of the following are some of the bad impacts on environment while using ECM?

Electrolyte splashing

Toxic gases release

All of the mentioned

Precipitation of solid matters

Question 10 of 10