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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

To study pulsed-heating of materials

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In a cooking pan which of the following is important while selecting a material for the pan's handle?

a: Low thermal conductivity Explanation

Explanation

b: High elasticity Explanation

Explanation

c: High thermal expansion Explanation

Explanation

d: High hardness Explanation

Explanation

In Electrical Discharge Machining (EDM), the heat is supplied

a: External heating from the source Explanation

Explanation

b: Due to explosion of the dielectric fluid Explanation

Explanation

c: Internally due to absorption of spark energy in the surface of materials Explanation

Explanation

d: Energy distribution from the plasma column created within the spark gap Explanation

Explanation

In wire EDM ,the tool is

a: Hollow conductive tool Explanation

Explanation

b: Conductive wire electrode Explanation

Explanation

c: Conductive solid moving tool Explanation

Explanation

d: Solid insulating tool Explanation

Explanation

In EDM, generally the working fluid is

a: Electrolyte Explanation

Explanation

b: De-ionized water Explanation

Explanation

c: EDM oil Explanation

Explanation

d: Kerosene Explanation

Explanation

In wire EDM, generally the working fluid is

a: Water + Kerosene Explanation

Explanation

b: Kerosene Explanation

Explanation

c: De-ionized water Explanation

Explanation

d: Electrolyte Explanation

Explanation

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