Which of the following is best gauge/machine to inspect the parallel screw ring gauges?
Which of the following material is not used in alloy steels?
In shielded arc welding
Which one of the following is not an alkaline earth metal?
The grinding operation is a
Which of the following metals does not react with air?
The sizes of dividers range between
Knurling is an operation
The cross section of a chisel is usually
Name the instrument to measure height of block step.
The purpose of heat treatment is
In gas welding, maximum flame temperature occurs at
To get DC for welding, it is necessary to have either
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