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MANUFACTURING AND PRODUCTION TECHNOLOGY

Manufacturing And Production Technology
The mechanism of material removal in EDM process is

Erosion and Cavitations
Cavitations and Evaporation
Melting and Corrosion
Melting and Evaporation

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Manufacturing And Production Technology
In gear hobbing

Both hob and gear blank rotates
Only hob rotates
Neither hob nor gear blank rotates
Only gear blank rotates

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Manufacturing And Production Technology
The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

πd
πdn sinα
πdn cosα
πdn

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Manufacturing And Production Technology
In order to grind soft material

Coarse grained grinding wheel is used
Any one of these
Medium grained grinding wheel is used
Fine grained grinding wheel is used

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Manufacturing And Production Technology
The in-feed grinding is used to

Produce tapers
Grind shoulders and formed surfaces
All of these
Grind long, slender shafts or bars

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