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Manufacturing And Production Technology

Manufacturing And Production Technology
Hardness of steel greatly improves with

Tempering
Cyaniding
Annealing
Normalizing

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Manufacturing And Production Technology
When the end of a tap is tapered for about three or four threads, it is known as a

Bottoming tap
Second tap
Taper tap
None of these

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Manufacturing And Production Technology
For harder alloy steel, the point angle of the drill is kept

More than 118°
Equal to 118°
Any one of these
Less than 118°

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Manufacturing And Production Technology
What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?

Undercut
Porosity
Crack
Under fill

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Manufacturing And Production Technology
When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining, the number of degrees of freedom that are restricted is

8
10
7
9

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Manufacturing And Production Technology
A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

170
180
120
240

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