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Manufacturing And Production Technology

Manufacturing And Production Technology
Larger end cutting edge angle _________ tool life.

None of these
Does not effect
Increases
Decreases

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Manufacturing And Production Technology
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is

10 m/min
30 m/min
15 m/min
22 m/min

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Manufacturing And Production Technology
Climb milling is chosen while machining because

The chip thickness increase gradually
The specific power consumption is reduced
It enables the cutter to dig in and start the cut
Better surface finish can be obtained

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Manufacturing And Production Technology
Green sand mould indicates that

Mould has been totally dried
Mould is green in colour
Mould contains moisture
Polymeric mould has been cured

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Manufacturing And Production Technology
The helix angle of a drill is ___ for drilling brass.

Less than 30°
More than 30°
Equal to 30°
None of the listed here

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Manufacturing And Production Technology
Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be

0.2 Joule
5 Joule
1 Joule
1000 Joule

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