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ME Set-2
Manufacturing Technology
15

Manufacturing Technology MCQ with Answers

15) Electrodes for EDM are made of

Iron

Steel

Graphite

Silver

Answer is:

Graphite

Manufacturing Technology MCQ with Answers

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Related Manufacturing Technology MCQ with Answers

16) Tool wear can be minimised by reversing the polarity and using copper tools, it is called as

No Wear EDM

Wear EDM

Full wear EDM

Half wear EDM

Answer is:

No Wear EDM

17) A laser is an optical transducer that converts

Electrical energy into coherant light.

Chemical energy into coherent light.

Mechanical energy into coherent light

Heat energy into coherent light.

Answer is:

Electrical energy into coherant light.

18) LBM uses the light energy of a laser beam to remove material by

Conduction

Convention

Radiation

Vaporization and ablation

Answer is:

Vaporization and ablation

19) A good workpiece material in LBM is the one which has

High light energy absorption power

High reflectivity

High thermal conductivity

High melting point

Answer is:

High light energy absorption power

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