Manufacturing And Production Technology
In which of the following machine, the work is usually rotated while the drill is fed into work?

Sensitive drilling machine
Radial drilling machine
Deep hole drilling machine
Gang drilling machine

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Manufacturing And Production Technology
The strength of a brazed joint

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

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