Materials Science and Manufacturing Engineering Miscellaneous
- In EDM, the tool is made of
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Tool required for EDM should be made of conductive material like cu, graphite etc.
Correct Option: A
Tool required for EDM should be made of conductive material like cu, graphite etc.
- Match the following lists
List-I List-II A. Aluminium brake shoe 1. Deep drawing B. Plastic water bottles 2. Blow moulding C. Stainless steel cups 3. Centrifugal casting D. Soft drink can (aluminum) 4. Impact extrusion 5. Sand casting 6.Upset forging
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a. Aluminium brake shoe – sand casting b. Plastic water bottles. – Blow moulding c. Stainless steel cups – Deep drawing d. Soft drink can – Impact extrusion.
Correct Option: D
a. Aluminium brake shoe – sand casting b. Plastic water bottles. – Blow moulding c. Stainless steel cups – Deep drawing d. Soft drink can – Impact extrusion.
- Match the following lists
List-I List-II A. ECM 1. Plastic shear B. EDM 2. Erosion/brittle fracture C. USM 3. Corrosive reaction D. LBM 4. Melting vaporization 5. lon displaeement 6.Plastic shear and ion displacement
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ECM – Ion displacement. EDM – Corrosive reaction. USM – Erosion/ brittle fracture. LBM – Melting vaporization
Correct Option: A
ECM – Ion displacement. EDM – Corrosive reaction. USM – Erosion/ brittle fracture. LBM – Melting vaporization
- Inter electrode gap in ECG is controlled by
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NA
Correct Option: C
NA
- Selection of electrolyte for ECM is as follows
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For stock removal, conductive electrolyte called passivating electrolyte is used.
Correct Option: B
For stock removal, conductive electrolyte called passivating electrolyte is used.