Manufacturing And Production Technology
It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

Sensitive drilling machine
Gang drilling machine
Multiple spindle drilling machine
Radial drilling machine

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Manufacturing And Production Technology
The strength of a brazed joint

Increases with increase in gap between the two joining surfaces
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

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