Manufacturing And Production Technology
In centreless grinding, work place centre will be

Below the line joining the two wheel centres
At the intersection of the line joining the wheel centres with the work place plane
On the line joining the two wheel centres
Above the line joining the two wheel centres

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Manufacturing And Production Technology
When the temperature of a solid metal increases,

Strength of the metal increases but ductility decreases
Strength of the metal decreases but ductility increases
Both strength and ductility of the metal increases
Both strength and ductility of the metal decreases

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