Manufacturing And Production Technology
The strength of a brazed joint

Decreases up to certain gap between the two joining surfaces beyond which it increases
Increases up to certain gap between the two joining surfaces beyond which it decreases
Increases with increase in gap between the two joining surfaces
Decreases with increase in gap between the two joining surfaces

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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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