Manufacturing And Production Technology
The strength of a brazed joint

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

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Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Maintaining an electrolyte between the work and tool in a very small gap between the two
Erosion caused by rapidly recurring spark discharges between the tool and work
Direct contact of tool with the work
Using abrasive slurry between the tool and work

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