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Standard X
Chemistry
Application of Electrolysis
Metal removal...
Question
Metal removal in electric discharge machining takes place through
A
ion displacement
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B
melting and vaporization
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C
corrosive reaction
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D
plastic shear
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Solution
The correct option is
B
melting and vaporization
In EDM, electric spark is the source due to which material undergoes fusion and vaporization.
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Similar questions
Q.
Arrange the processes in the increasing order of their maximum material removal rate.
Electrochemical Machining (USM)
Electron Beam Machining (EBM)
Laser Beam Machining (LBM)
Electric Discharge MAchining (EDM)
Q.
In Electro Discharge Machining (EDM), if the thermal conductivity of tools is high and the specific heat of workpiece is low, then the tool wear rate and material removal rate are expected to be respectively
Q.
Match the following non-traditional machining processes with the corresponding material removal mechanisms:
Machining process
Manufacturing Processes
P.
Chemical machining
1.
Erosion
Q.
Electro-chemical machining
2.
Corrosive reaction
R.
Electro-discharge machining
3.
Ion displacement
S.
Ultrasonic machining
4.
Fusion and vaporization
Q.
Electric conduction takes place in a discharge tube due to the movement of
(a) positive ions
(b) negative ions
(c) electrons
(d) protons
Q.
Match the processes with their characteristics
Process
Characteristics
P. Electrical Discharge Machining
1. No residual stress
Q. Ultrasonic machining
2. Machining of electrically conductive materials
R. Chemical machining
3. Machining of glass
S. Ion Beam Machining
4. Nano-machining
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