Calculate the bite angle when rolling plates $$12mm$$ thick using work rolls $$600mm$$ diameter and reducing the thickness by $$3mm$$

The electrodes used in $$arc$$ welding are coated. This coating is not expected to

The ratio of acetylene to oxygen is approximately ................ for neutral flame used in gas welding

Generally cylindrical parts produced by powder metallurgy should not have non uniform cross section and a length to diameter ratio exceeding . . . . . . . . . . . . . . .