Shift is a casting defect which

Workshop Technology
Shift is a casting defect which

Occurs near the ingates as rough lumps on the surface of a casting

Occurs as sand patches on the upper surface of a casting

Results in a mismatching of the top and bottom parts of a casting

Results in general enlargement of a casting

Occurs near the ingates as rough lumps on the surface of a casting

Occurs as sand patches on the upper surface of a casting

Results in a mismatching of the top and bottom parts of a casting

Results in general enlargement of a casting

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Workshop Technology
The surface to be left unmachined is marked on the pattern by

Yellow colour

Red colour

Black colour

Blue colour

Yellow colour

Red colour

Black colour

Blue colour

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Workshop Technology
Loam sand is a mixture of

50% sand and 50% clay

30% sand and 70% clay

90% sand and 10% clay

70% sand and 30% clay

50% sand and 50% clay

30% sand and 70% clay

90% sand and 10% clay

70% sand and 30% clay

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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

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

Is extensively used for making bolts and nuts

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

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

Is extensively used for making bolts and nuts

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

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

Changing the secondary turns of the transformer

Any one of the listed here

Changing the primary turns of the transformer

Varying the input supply

Changing the secondary turns of the transformer

Any one of the listed here

Changing the primary turns of the transformer

Varying the input supply

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Workshop Technology
When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Oxidizing

Neutral

Carburising

None of the listed here

Oxidizing

Neutral

Carburising

None of the listed here

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Workshop Technology

Workshop Technology Shift is a casting defect which

Workshop Technology The surface to be left unmachined is marked on the pattern by

Workshop Technology Loam sand is a mixture of

Workshop Technology Extrusion

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

Workshop Technology When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Workshop Technology
Shift is a casting defect which

Workshop Technology
The surface to be left unmachined is marked on the pattern by

Workshop Technology
Loam sand is a mixture of

Workshop Technology
Extrusion

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

Workshop Technology
When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.