Workshop Technology
The property of sand due to which it evolves a great amount of steam and other gases is called

Adhesiveness
Collapsibility
Cohesiveness
Permeability

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

All of the listed here
Porosity of the metal is largely eliminated
Mechanical properties are improved due to refinement of grains
Grain structure of the metal is refined

ANSWER DOWNLOAD EXAMIANS APP