Workshop Technology
In forehand welding, the weld is made

First from left to right and then from right to left
Either from left to right or from right to left
From left to right
From right to left

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Workshop Technology
In permanent mould casting method

Molten metal is poured and allowed to solidify while the mould is revolving
Molten metal is forced into mould under high pressure
None of these
Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

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Workshop Technology
Lancing is the operation of

Cutting a sheet of metal in a straight line along the length
Bending a sheet of metal along a curved axis
Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion

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