Advanced Machining and Processes Mock Test 2

10%

Question 1 of 10

1. What is the value of focusing diameter in Abrasive water jet machining?

0.8 – 1.4 mm

3.2 – 5.2 mm

0.1 – 0.6 mm

1.6 – 2.8 mm

Question 1 of 10

Question 2 of 10

2. Which of the following energies are absorbed using the catchers in Abrasive water jet machining?

Residual energy

Kinetic energy of abrasives

All of the mentioned

Pressure energy

Question 2 of 10

Question 3 of 10

3. In the following materials, Water jet machining can be used on which type of material?

Ceramics

Plastics

Metals

All of the mentioned

Question 3 of 10

Question 4 of 10

4. What is the grain size of abrasive particles, which are often used for Abrasive water jet machining?

10 – 150 µm

500 – 1000 µm

200 – 500 µm

0.01 – 0.50 µm

Question 4 of 10

Question 5 of 10

5. Which of the following material/s cannot be used for making of nozzle in Abrasive jet machining?

Sapphire

Tungsten Carbide

Synthetic sapphire

Steel alloy

Question 5 of 10

Question 6 of 10

6. In machining system of AJM, which of the following controls the relative motion between work piece and nozzle?

Trace mechanisms

Pantographs

All of the mentioned

Cam drives

Question 6 of 10

Question 7 of 10

7. What is the tolerance limit range of thin materials in WJM?

± 25 mm

± 50 mm

± 0.1 mm

± 10 mm

Question 7 of 10

Question 8 of 10

8. Which type of materials can be machined using Abrasive jet machining?

Hard materials

All of the mentioned

Ceramics

Glass

Question 8 of 10

Question 9 of 10

9. In machining system of AJM, what is/are the gas/es used for carrying the abrasives?

Air

Nitrogen

CO₂

All of the mentioned

Question 9 of 10

Question 10 of 10

10. How is the material removed in Abrasive water jet machining?

Erosion

Corrosion

Electron transfer

Vaporization

Question 10 of 10