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Manufacturing And Production Technology

Manufacturing And Production Technology
The angle between the lathe centres is

45°
60°
90°
30°

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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 cosα
πd
πdn
πdn sinα

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Manufacturing And Production Technology
Hot rolling of mild steel is carried out

At recrystallization temperature
Between 100⁰C to 150⁰C
Above recrystallization temperature
Between recrystallization temperature

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Manufacturing And Production Technology
The angle on which the strength of the tool depends is

Rake angle
Lip angle
Clearance angle
Cutting angle

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Manufacturing And Production Technology
A twist drill is specified by its

Material, length of body and helix angle
Any one of these
Shank, lip angle and size of flute
Shank, material and diameter

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Manufacturing And Production Technology
Ceramic cutting tools are

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

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