Manufacturing And Production Technology
In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called?

MIG welding
Electric arc welding
Submerged arc welding
TIG welding

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Manufacturing And Production Technology
In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to

Circular interpolation in counter clockwise direction and incremental dimension
Circular interpolation in clockwise direction and incremental dimension
Circular interpolation in clockwise direction and absolute dimension
Circular interpolation in counter clockwise direction and absolute dimension

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Manufacturing And Production Technology
Which of the following statement is correct regarding grinding of high carbon steel?

All of these
Aluminium oxide wheels are employed.
Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
The grinding wheel has to be of open structure.

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