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Manufacturing And Production Technology

Manufacturing And Production Technology
The purpose of jigs and fixtures is to

Facilitate interchangeability
Increase machining accuracy
All of these
Decrease expenditure on quality control

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Manufacturing And Production Technology
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is

Tool geometry
Shear angle
Feed rate
Cutting speed

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Manufacturing And Production Technology
During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion will be

Linear Interpolation
Circular Interpolation − clockwise
Rapid feed
Circular Interpolation − counter clockwise

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Manufacturing And Production Technology
Cold working of steel is defined as working

Above its recrystallisation temperature
At its recrystallisation temperature
At two thirds of the melting temperature of the metal
Below its recrystallisation temperature

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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

Half
Two times
Eight times
Sixteen times

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Manufacturing And Production Technology
The factor responsible for the formation of continuous chips with built up edge is

High cutting speed and small rake angle
High cutting speed and large rake angle
Low cutting speed and large rake angle
Low cutting speed and small rake angle

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