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Manufacturing And Production Technology

Manufacturing And Production Technology
If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

Diamond pin locator
Conical locator
Vee locator
Cylindrical locator

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Manufacturing And Production Technology
In a gating system, the ratio 1: 2: 4 represents

Sprue base area: ingate area: casting area
Pouring basin area: ingate area: runner area
Sprue base area: runner area: ingate area
Runner area: ingate area: casting area

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Manufacturing And Production Technology
In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is

20.56
36.56
30.56
26.56

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Manufacturing And Production Technology
High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.

8 to 20 times higher
5 to 8 times higher
2 to 3 times higher
2 to 3 times lower

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Manufacturing And Production Technology
The tail-stock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

(D - d)/2L
(D - d)/2
D - d
(D - d)/L

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Manufacturing And Production Technology
Hardness of steel greatly improves with

Normalizing
Cyaniding
Annealing
Tempering

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