In ___ welding, the weld may be made either from left to right or from right to left.

Workshop Technology
In ___ welding, the weld may be made either from left to right or from right to left.

None of the listed here

Backhand

Vertical

Forehand

None of the listed here

Backhand

Vertical

Forehand

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Workshop Technology
The purpose of a riser is to

Feed the molten metal to the casting in order to compensate for the shrinkage

Act as a reservoir for the molten metal

Deliver molten metal into the mould cavity

Deliver the molten metal from pouring basin to gate

Feed the molten metal to the casting in order to compensate for the shrinkage

Act as a reservoir for the molten metal

Deliver molten metal into the mould cavity

Deliver the molten metal from pouring basin to gate

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Workshop Technology
The current in electric resistance welding can be regulated by

Changing the secondary turns of the transformer

Varying the input supply

Changing the primary turns of the transformer

Any one of the listed here

Changing the secondary turns of the transformer

Varying the input supply

Changing the primary turns of the transformer

Any one of the listed here

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Workshop Technology
A two high rolling mill consists of two rolls which rotate

At different speeds and in the same direction

At different speeds and in the opposite direction

At the same speed but in opposite direction

At the same speed and in the same direction

At different speeds and in the same direction

At different speeds and in the opposite direction

At the same speed but in opposite direction

At the same speed and in the same direction

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Workshop Technology
A neutral flame is obtained by supplying

None of the listed here

Equal volumes of oxygen and acetylene

More volume of oxygen and less volume of acetylene

More volume of acetylene and less volume of oxygen

None of the listed here

Equal volumes of oxygen and acetylene

More volume of oxygen and less volume of acetylene

More volume of acetylene and less volume of oxygen

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Workshop Technology
Extrusion

Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work

Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

Is extensively used for making bolts and nuts

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work

Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

Is extensively used for making bolts and nuts

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

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Workshop Technology

Workshop Technology In ___ welding, the weld may be made either from left to right or from right to left.

Workshop Technology The purpose of a riser is to

Workshop Technology The current in electric resistance welding can be regulated by

Workshop Technology A two high rolling mill consists of two rolls which rotate

Workshop Technology A neutral flame is obtained by supplying

Workshop Technology Extrusion

Workshop Technology
In ___ welding, the weld may be made either from left to right or from right to left.

Workshop Technology
The purpose of a riser is to

Workshop Technology
The current in electric resistance welding can be regulated by

Workshop Technology
A two high rolling mill consists of two rolls which rotate

Workshop Technology
A neutral flame is obtained by supplying

Workshop Technology
Extrusion