Workshop Technology
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

Combination set
Outside micrometer
Depth gauge micrometer
Inside micrometer

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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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