Workshop Technology
In a ___, the molten metal is poured and allowed to solidify while the mould is revolving.

Die casting method
Centrifugal casting method
Permanent mould casting method
Slush casting method

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

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

ANSWER DOWNLOAD EXAMIANS APP