Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of tool
Grinding the cutting edges sharp
Providing shear on tool
Increasing the hardness of die

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Shift is a casting defect which

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

ANSWER DOWNLOAD EXAMIANS APP