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Manufacturing And Production Technology

Manufacturing And Production Technology
In American Standard Association (ASA) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be

8°
5°
6°
10°

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Manufacturing And Production Technology
Flank wear occurs mainly on the

Face of the cutting tool at a short distance from the cutting edge
Front face only
Nose part, front relief face and side relief face of the cutting tool
Cutting edge only

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Manufacturing And Production Technology
Misrun is a casting defect which occurs due to

Absorption of gases by the liquid metal
Insufficient fluidity of the molten metal
Improper alignment of the mould flasks
Very high pouring temperature of the metal

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Manufacturing And Production Technology
The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

πdn
πd
πdn sinα
πdn cosα

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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
7
10
9

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Manufacturing And Production Technology
For generating a Coon’s surface we require

A set of grid points on the surface
A set of grid control points
Four bounding curves defining the surface
Two bounding curves and a set of grid control points

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