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WorksheetsUnconventional machining processes
Total questions: 25
Worksheet time: 15mins
Which of the following type of tools, are required for magnetic field assisted polishing?
a) Rigid tools
b) Expensive tools
c) Magnetic tools
d) Ultra precession tools
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
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
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
Magnetic Abrasive finishing is used for which of the following application's?
a) Surface finishing
b) Cutting
c) Drilling
d) Boring
In MAF, ceramic balls and the bearing rollers are placed in between which components?
a) Abrasives and float
b) Drive shaft and float
c) Float and magnets
d) Magnets and abrasives
In abrasive flow machining, the media consists of :______ , _______ and ____
(a)
In AFM, the extrusion pressure strongly affects final force acting on abrasive grains
which in-turn significantly affects the (a)
The surface roughness achieved in AFM process is generally around (a) times more than the initial surface roughness.
The abrasive particles in AFM process cannot be re-used due to: (a)
Magneto rheological abrasive finishing (MRF) is a magnetic field assisted process.
True
false
Abrasive flow machining (AFM) is used for _____
a) de-burring
b) etching
c) drilling
d) cutting
In chemo-mechanical polishing (CMP) process, material is removed due to abrading.
a) True
b) False
Magnetic Float Polishing is a technique based on_____
a) magneto-dynamic behaviour
b) magneto-hydrodynamic behaviour
c) kinematic behaviour
d) viscosity
In Magnetorheological finishing (MRF) the MR fluid consists of Magnetizable particles is -----------------,
Iron particles
non-Iron particles
Carbonyl Iron Particles
Nikel iron partical
In Magnetorheological finishing (MRF) which is the n Non-magnetic carrier medium ...............................,
Lead acid
silicone oil, mineral oil
AI2O3
Carbonyl
In Magnetorheological abrasive finishing (MRAF) Name the Abrasive particle used....
Silicone carbide
aluminum oxide
cerium oxide
All mentioned above
The full form of CMP process is .....
Control Machining Process
Chemical Mechanical Polishing
Chemico micro process
None of these
A CIP Stands for...........................,
Corbon Iron Process
Center in Proecss
Corbonyl Iron Particale
None of these
The magnetorheological Abrasive finishing (MRAF) process mainly used to Finised...............................
Blind Holes
surface finish
Edge hole
Used to finish the lenses in optical industry
the force that is responsible for shearing of surface peaks in magnetorhelogical finishing is ........................,
Normal Forces in work piece and rotating wheel
Tangential forces at the surface of abrasive particle
Normal forces and tangential forces
No mechanical forces
Passivation layer in CMP process indicates....................
Chemically reacted layer of surface
Conversion layer due to heat interaction
Layer due to slurry
Mechanical distorted layer
In AFM the Layer thickness of the
material removed is of the order of about.....
1 to 10 μcm.
1 to 10 μm.
1 to 10 μmm.
1 to 10 μ
The AFM process reduces surface
roughness by ...................... percent on cast and machined
surfaces.
30%
45 to 50%
75 to 90%
100%
AFM process is capable to finish ..................and ..................,(Main Application of AFM)
Marine and Locomotive parts
Various machine parts
Construction parts
Automotive and
Medical parts
