The welding process used to join the ends of two pipes of uniform cross-section, is

Workshop Technology
The welding process used to join the ends of two pipes of uniform cross-section, is

Projection welding

Spot welding

Upset butt welding

Seam welding

Projection welding

Spot welding

Upset butt welding

Seam welding

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Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

16 mm/m

26 mm/m

10 mm/m

20 mm/m

16 mm/m

26 mm/m

10 mm/m

20 mm/m

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Workshop Technology
Cores are used to

Improve mould surface

Form a part of a green sand mould

All of these

Form internal cavities in the casting

Improve mould surface

Form a part of a green sand mould

All of these

Form internal cavities in the casting

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Workshop Technology
Scribing block is used to

Locate the centres of round bars

Check the surface roughness

Check the trueness of flat surfaces

Hold the round bars during marking

Locate the centres of round bars

Check the surface roughness

Check the trueness of flat surfaces

Hold the round bars during marking

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Workshop Technology
When the file is moved to and fro over the work, it is known as

Cross filing

Draw filing

Pull and push filing

None of these

Cross filing

Draw filing

Pull and push filing

None of these

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Workshop Technology
In permanent mould casting method

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

Molten metal is forced into mould under high pressure

None of these

Molten metal is poured and allowed to solidify while the mould is revolving

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

Molten metal is forced into mould under high pressure

None of these

Molten metal is poured and allowed to solidify while the mould is revolving

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Workshop Technology

Workshop Technology The welding process used to join the ends of two pipes of uniform cross-section, is

Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

Workshop Technology Cores are used to

Workshop Technology Scribing block is used to

Workshop Technology When the file is moved to and fro over the work, it is known as

Workshop Technology In permanent mould casting method

Workshop Technology
The welding process used to join the ends of two pipes of uniform cross-section, is

Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

Workshop Technology
Cores are used to

Workshop Technology
Scribing block is used to

Workshop Technology
When the file is moved to and fro over the work, it is known as

Workshop Technology
In permanent mould casting method