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Manufacturing And Production Technology

Manufacturing And Production Technology
NC contouring is an example of

Point-to-point positioning
Incremental positioning
Continuous path positioning
Absolute positioning

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Manufacturing And Production Technology
In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.25, if the cutting speed is halved, then tool life will become

Eight times
Sixteen times
Half
Two times

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Manufacturing And Production Technology
In machining metals, surface roughness is due to

Fragment of built-up edge on the machined surface
All of these
Feed marks or ridges left by the cutting tool
Cutting tool vibrations

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Manufacturing And Production Technology
High speed steel tools retain their hardness up to a temperature of

350°C
500°C
250°C
900°C

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Manufacturing And Production Technology
The operation in which oil is permeated into the pores of a powder metallurgy product is known as

Mixing
Infiltration
Impregnation
Sintering

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Manufacturing And Production Technology
The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

V/Tn = C
VTn = C
Vn/T = C
VnT = C

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