Workshop Technology
The directional solidification in casting can be improved by using

Chills, chaplets and padding
Chaplets and padding
Chills and padding
Chills and chaplets

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Spot welding is used for welding

Lap joints in plates having thickness above 3 mm
Lap joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having thickness above 3 mm
Butt joints in plates having 0.025 mm to 1.25 mm thickness

ANSWER DOWNLOAD EXAMIANS APP