Workshop Technology
When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Neutral
Oxidizing
None of the listed here
Carburising

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

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

ANSWER DOWNLOAD EXAMIANS APP