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Manufacturing And Production Technology

Manufacturing And Production Technology
Glazing in grinding wheels __________ cutting capacity.

None of these
Decrease
Has no effect on
Increase

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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

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

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Manufacturing And Production Technology
In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

Internal grinder
Cylindrical grinder
Tool and cutter grinder
Surface grinder

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Manufacturing And Production Technology
The tool life is said to be over if

Poor surface finish is obtained
Overheating and fuming due to heat of friction starts
All of these
There is sudden increase in cutting forces and power consumption

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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
VnT = C
VTn = C
Vn/T = C

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Manufacturing And Production Technology
A mandrel is used to hold

A heavy work
A thin work
None of these
An eccentric work

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