Abrasive Jet Machining

Abrasive Jet Machining

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Every Question Carries 10 marks

1. What is the Other Name to AJM?

Abrasive micro blasting
Air Hit Cutting
Abrasive Scrating
Micro Hitting Jet


2. Which Materials are machined by AJM Process?

Ductile and Resilient
Malleable and Tough
Brittle and Hard
All of the Above


3. Which gases are used in AJM Process?

Green House Gases
Synthetic Gases
Inert Gases
All of the Above


4. What is Pressure of Gas used in AJM?

10-11 Bars
50 Bar
4-5 Bar
None of the Above


5. What is the diameter of Abrasive Particles used in AJM?

0.025 mm
1 mm
2 mm
0.05 mm


6. How is Nozzle Operated in AJM?

Hand Held
Automatic
Both of the Above
None of the Above


7. Which materials are used for Making Nozzles in AJM?

High Speed Steel and Mild Steel
Tungsten Carbide and Synthetic Saphire
Aluminium oxide and Silicon Carbide
Carbon Tool Steel and Silver steel


8. Which of these is not a Advantage of AJM?

Low Heat Production
Flexibility
Fast Material Removal Rate
Ability of Machine Hard and Brittle Materials


9. What effects the Size of Machined Area in AJM?

Distance from Nozzle to Surface
Pressure in Compressed Air
Machine Length
Speed of Air Hitting the Surface


10. Which type of Cut is produced in AJM?

Tapered Cut
Parallel Cut
Circular Cut
Trapezoidal Cut

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