Manufacturing And Production Technology
In a shaper

Tool moves over stationary work
Work is stationary and tool reciprocates
Tool moves over reciprocating work
Tool is stationary and work reciprocates

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Manufacturing And Production Technology
Jigs are used

For holding and guiding the tool in drilling, reaming or tapping operations
To check the accuracy of workpiece
For holding the work in milling, grinding, planing or turning operations
None of these

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Manufacturing And Production Technology
Which of the following statement is correct in regard to centreless grinding?

It requires no holding device for the work
All of these
The workpiece is supported throughout its entire length as grinding takes place
It is a continuous process and adopted for production work

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