Workshop Technology
A hacksaw blade cuts on the

Return stroke
Cutting depends upon the direction of force
Both forward and return strokes
Forward stroke

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Workshop Technology
In a hot chamber die casting machine

Ferrous alloys with high melting temperature are casted
Nonferrous alloys with low melting temperature are casted
Ferrous alloys with low melting temperature are casted
Nonferrous alloys with high melting temperature are casted

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Workshop Technology
Shift is a casting defect which

Results in a mismatching of the top and bottom parts of a casting
Results in general enlargement of a casting
Occurs as sand patches on the upper surface of a casting
Occurs near the ingates as rough lumps on the surface of a casting

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