WORKSHOP TECHNOLOGY QUIZ

Which of the following welding method uses a pool of molten metal?

Submerged arc welding

MIG arc welding

TIG arc welding

Carbon arc welding

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In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of die

Increasing the hardness of tool

Providing shear on tool

Grinding the cutting edges sharp

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The temperature of the inner luminous cone of neutral flame is about

1250°C

3200°C

2100°C

1000°C

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Cold working of metal increases

Yield strength

Tensile strength

Hardness

All of these

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The cold chisels are made from

Mild steel

High speed steel

Cast iron

Cast tool steel

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The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

Squeezing

Planishing

Drawing

Coining

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A mortise gauge is a

Marking tool

Striking tool

Planing tool

Boring tool

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In electric resistance welding, voltage required for heating is

1 to 5 volts

11 to 20 volts

6 to 10 volts

50 to 100 volts

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Notching is the operation of

Cutting a sheet of metal through part of its length and then bending the cut portion

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

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Scribing block is used to

Check the trueness of flat surfaces

Check the surface roughness

Locate the centres of round bars

Hold the round bars during marking

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