Shift is a casting defect which

Workshop Technology
Shift is a casting defect which

Occurs as sand patches on the upper surface of a casting

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

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

Results in general enlargement 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

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

Results in general enlargement of a casting

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Workshop Technology
Loam sand is a mixture of

90% sand and 10% clay

70% sand and 30% clay

30% sand and 70% clay

50% sand and 50% clay

90% sand and 10% clay

70% sand and 30% clay

30% sand and 70% clay

50% sand and 50% clay

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Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

44 mm

46 mm

42 mm

48 mm

44 mm

46 mm

42 mm

48 mm

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Workshop Technology
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Sand slinger

Stripper plate machine

Squeezing machine

Jolt machine

Sand slinger

Stripper plate machine

Squeezing machine

Jolt machine

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Workshop Technology
The upsetting is a process of

Reducing the cross-section of a bar

Increasing the cross-section of a bar

Joining the two surfaces of metal under pressure after heating

Bending of a bar

Reducing the cross-section of a bar

Increasing the cross-section of a bar

Joining the two surfaces of metal under pressure after heating

Bending of a bar

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Workshop Technology
Extrusion

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

Is extensively used for making bolts and nuts

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

Is extensively used for making bolts and nuts

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

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Workshop Technology

Workshop Technology Shift is a casting defect which

Workshop Technology Loam sand is a mixture of

Workshop Technology For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

Workshop Technology In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Workshop Technology The upsetting is a process of

Workshop Technology Extrusion

Workshop Technology
Shift is a casting defect which

Workshop Technology
Loam sand is a mixture of

Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

Workshop Technology
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Workshop Technology
The upsetting is a process of

Workshop Technology
Extrusion