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Manufacturing And Production Technology

Manufacturing And Production Technology
Slow speed of the spindle is necessary in

All of these
Turning a hard or tough material
Thread cutting
Turning a work of larger diameter

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Manufacturing And Production Technology
Allowance in limits and fits refers to

Minimum clearance between shaft and hole
Difference between maximum and minimum sizes of shaft
Maximum clearance between shaft and hole
Difference between maximum and minimum sizes of hole

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Manufacturing And Production Technology
Hardness of steel greatly improves with

Tempering
Annealing
Normalizing
Cyaniding

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Manufacturing And Production Technology
Stellite preserves hardness up to a temperature of

500°C
350°C
900°C
1100°C

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Manufacturing And Production Technology
In centre less grinders, the maximum angular adjustment of the regulating wheel is

20°
15°
10°
5°

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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

36.56
26.56
20.56
30.56

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