Manufacturing And Production Technology
In a metal arc welding process, metal transfer across the arc may take place by a method of material transfer where the metal transfers across the arc is in larger drops. This is at the rate of 100 drops/sec or less, what is this known as

Spray transfer
Dip transfer
Globular transfer
GMAW practice

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

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

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

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

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