Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of Helium gas None of these Argon gas Either (A) or (B) Helium gas None of these Argon gas Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Spot welding is used for welding Lap joints in plates having thickness above 3 mm Lap joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having thickness above 3 mm Lap joints in plates having thickness above 3 mm Lap joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having thickness above 3 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out At the recrystallisation temperature At any temperature Below the recrystallisation temperature Above the recrystallisation temperature At the recrystallisation temperature At any temperature Below the recrystallisation temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cold working of metal increases Yield strength Tensile strength Hardness All of these Yield strength Tensile strength Hardness All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a gate is to Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Delivers molten metal from pouring basin to gate Delivers 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 Delivers molten metal from pouring basin to gate Delivers molten metal into the mould cavity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform sand hardness throughout the mould Produce uniform packing of sand in 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 sand hardness throughout the mould Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould ANSWER DOWNLOAD EXAMIANS APP
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