Workshop Technology
A neutral flame is obtained by supplying

None of the listed here
Equal volumes of oxygen and acetylene
More volume of acetylene and less volume of oxygen
More volume of oxygen and less volume of acetylene

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Workshop Technology
In a simple die

Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
None of the listed here

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