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Manufacturing And Production Technology

Manufacturing And Production Technology
Chemical milling operation is performed

On universal milling machine
In a tank containing an etching solution
Any one of these
On plain milling machine

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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

1000 Joule
1 Joule
5 Joule
0.2 Joule

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Manufacturing And Production Technology
The cutting angle of a flat drill varies from

20° to 30°
90° to 120°
60° to 90°
3° to 8°

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Manufacturing And Production Technology
Ceramic cutting tools are

Available in the form of tips
Made by cold pressing of aluminium oxide powder
All of these
Brittle and have low bending strength

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Manufacturing And Production Technology
While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is

Dependent on speed change gear ratio
Interrelated to index change gear ratio
Independent of speed and index change gear ratio
Independent of index change gear ratio

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Manufacturing And Production Technology
A shaft has a dimension, φ9 +0.025⁺⁰∙⁰⁰⁹, the respective values of fundamental deviation and tolerance are

−0.025, ±0.008
−0.009, 0.016
−0.009, ± 0.008
−0.025, 0.016

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