Ultrasonic Machining

Ultrasonic Machining

I Hope you are ready. Dive In.
Every Question Carries 10 Marks

1. What is the Amplitude of Tool in USM?

0.05 to 0.125 mm
5 mm
6 m
0.4 to 0.5 mm


2. What is Slurry made up of ?

Abrasive Particles and Oil
Abrasive Particles and coolent
Abrasive Particles and Water
Water and oil


3. Which materials are machined in USM?

Tough and Dutile
Malleable and Ductile
Tough and Brittle
Hard and Brittle


4. Which of these are Major components of a USM?

Nozzle and Computer
Electroacoustic Transducer and Sonotrode
Work and Wood Pallet
Wood and Hacksaw


5. What is the frequency of Current oscillator in USM?

18 to 40 KHz
100 to 120 KHz
1KHz to 2KHz
40Hz to 80Hz


6. Which abrasives are used in USM?

Boron Carbide, Silicon Carbide or Aluminium Oxide
Tungsten Carbide and Synthetic Saphire
Sand and Granite
Granite and Concrete


7. Which of these is not a Advantage of USM?

Tool holds for a Long Time
Fragile and Non Conductive Materials can be Machined
No Heat Generation
Complex Shapes Can be Cut


8. By which Mechanism Does USM use to Shape the Work?

Micro Chipping or Erosion Mechanism
Rotation and Relative Motion
High Speed Chiping
Direct Contact of Tool and Rough Strokes


9. How much should be Least Hardness of material for Machining on USM?

85 Hrc
20 HRc
45 HRC
10 HRc


10. What does a Transducer Do?

Transmit Abrasives
Converting Oscillating Current to Mechanical Vibration
Move Water from one Place to Another
Act as a Switch

Check Before Clicking