Advanced Machining and Processes Mock Test 3

10%

Question 1 of 10

1. Which of the following defects cannot be altered or eliminated using CHM?

Waviness

Surface imperfections

Scratches

Dents

Question 1 of 10

Question 2 of 10

2. To machine high quality parts using CHM, which of the following need not be necessary?

Range of work pieces

Frequency of vibrations

Heat treatment of work piece

Grain size of work piece

Question 2 of 10

Question 3 of 10

3. In which direction, oscillatory motion of magnets are carried out?

Axial to work piece

None of the mentioned

Inclined to work piece

Perpendicular to work piece

Question 3 of 10

Question 4 of 10

4. Which of the following are the materials used for making maskants?

All of the mentioned

Synthetic materials

Rubber materials

Polymeric materials

Question 4 of 10

Question 5 of 10

5. Which of the following factors does not affect the magnetic abrasive conglomerates in MAF?

Abrasive size

Volume fraction

Work piece material

Abrasive type

Question 5 of 10

Question 6 of 10

6. What is the value of the limited depth to which form errors, tapers, looping can be corrected?

10 microns

30 microns

20 microns

40 microns

Question 6 of 10

Question 7 of 10

7. What are the properties that a maskant used in Chemical milling should possess?

Be inert to chemical reagent

All of the mentioned

Be tough and adhere well

Scribe easily

Question 7 of 10

Question 8 of 10

8. State whether the following statement is true or false about Magnetic abrasive finishing.
“Mirror finishing, removed burrs with lowering the accuracy of the shape are achieved by MAF.”

False

True

Question 8 of 10

Question 9 of 10

9. What is the limit of the roller speed used in MAF?

Up to 3.3 m/s

Up to 2.6 m/s

Up to 0.5 m/s

Up to 1.3 m/s

Question 9 of 10

Question 10 of 10

10. The depth of cut tolerances increases when machining ____________ depths at high machining rates.

Larger

Medium

Smaller

Very smaller

Question 10 of 10