Manufacturing And Production Technology
Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by

Changing the electrode coating
Adjusting the duration of current
Changing the electrode size
Adjusting the current

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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
Decreases with increase in gap between the two joining surfaces
Increases with increase in gap between the two joining surfaces

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Manufacturing And Production Technology
In oblique cutting of metals, the cutting edge of the tool is

Parallel to the direction of tool travel
Perpendicular to the direction of tool travel
Perpendicular to the workpiece
Inclined at an angle less than 90° to the direction of tool travel

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