Workshop Technology
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Squeezing machine
Stripper plate machine
Sand slinger
Jolt machine

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

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

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
In a hot chamber die casting machine

Ferrous alloys with high melting temperature are casted
Ferrous alloys with low melting temperature are casted
Nonferrous alloys with high melting temperature are casted
Nonferrous alloys with low melting temperature are casted

ANSWER DOWNLOAD EXAMIANS APP