Workshop Technology During hot working of metals All of the listed here 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 Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 10 cm × 10 cm 5 cm × 5 cm 20 cm × 20 cm 15 cm × 15 cm 10 cm × 10 cm 5 cm × 5 cm 20 cm × 20 cm 15 cm × 15 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used to join the ends of two pipes of uniform cross-section, is Upset butt welding Spot welding Seam welding Projection welding Upset butt welding Spot welding Seam welding Projection welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a centrifugal casting method Core is made of ferrous metal Core is made of sand No core is used Core is made of nonferrous metal Core is made of ferrous metal Core is made of sand No core is used Core is made of nonferrous metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform packing of sand in the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Ram the sand harder at the back of the mould and softer on the pattern face ANSWER DOWNLOAD EXAMIANS APP
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