1. Which of the following is not a magnetic field assisted machining process?
a) Electro-plating process
b) Magnetic abrasive finishing
c) Magnetic float polishing
d) All of the mentioned
Explanation: There are only two types of magnetic field assisted polishing: Magnetic abrasive machining and Magnetic float polishing.
2. In the advanced machining processes, what is the full form of MAF?
a) Magnet Automated Finishing
b) Magnetic Abrasive Finishing
c) Magnet Assisted Floating
d) Magnetic Association for Floating
Explanation: In advanced machining processes, full form of MAF is Magnetic Abrasive Finishing.
3. In Magnetic abrasive finishing, which of the following particles do not contribute to the material removal?
a) Abrasive particles
b) Magnetic particles
c) Non-magnetic particles
d) All of the mentioned
Explanation: Material is removed by colloidal dispersion of the magnetic particles in abrasive particles.
4. Which of the following motions are opted, in order to carry on with the Magnetic abrasive finishing?
a) Rotary motion
b) Oscillatory motion
c) Vibratory motion
d) All of the mentioned
Explanation: All the motions mentioned above, are needed for machining parts in MAF.
5. Magnetic Abrasive finishing is used for which of the following application/s?
a) Surface finishing
b) Cutting
c) Drilling
d) Boring
Explanation: Magnetic abrasive finishing is a process, which is opted for finishing of parts that are already machined on the other machines.
6. Which is the place, where Magnetic field assisted polishing was invented?
a) The United States of America
b) The United Arab Emirates
c) Union of Soviet Socialist Republics
d) Japan
Explanation: Magnetic field assisted polishing was invented in the United States of America.
7. Which of the following processes cannot be machined using Magnetic abrasive finishing?
a) Surface finishing
b) Surface polishing
c) Hole Drilling
d) None of the mentioned
Explanation: Holes drilling is one of the processes that cannot be done using Magnetic Abrasive Finishing.
8. Which of the following components, come under the machining system of Magnetic Abrasive finishing?
a) Rotatory spindle
b) Oscillating Magnets
c) Holding chuck
d) All of the mentioned
Explanation: The components, which are mentioned above come under machining system of Magnetic Abrasive Finishing.
9. Which of the following materials can be machined using Magnetic Abrasive finishing?
a) Alloy steels
b) Ceramic materials
c) Iron materials
d) All of the mentioned
Explanation: Magnetic abrasive finishing is a process which is used for different materials, magnetic and nonmagnetic.
10. State whether the following statement is true or false about Magnetic abrasive finishing.
“Vibratory motion that is axial, is introduced in the magnetic field by the oscillation of magnetic poles.”
a) True
b) False
Explanation: Axially vibrating motion is required for machining in MAF.