Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too hard and wheel revolves at very slow speed
Wheel is too hard or wheel revolves at a very high speed
Wheel is too soft or wheel revolves at a very slow speed
Wheel is too soft and wheel revolves at a very high speed

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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
The workpiece is supported throughout its entire length as grinding takes place
All of these
It is a continuous process and adopted for production work

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