Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Warping of sheet is minimized Press load is reduced Good cut edge is obtained Cut blanks is straight Warping of sheet is minimized Press load is reduced Good cut edge is obtained Cut blanks is straight ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The upsetting is a process of Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar Increasing the cross-section of a bar Bending of a bar Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar Increasing the cross-section of a bar Bending of a bar ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In average work, the tolerance produced by investment casting method is ±0.05 mm +1 mm +05 mm +0.2 mm ±0.05 mm +1 mm +05 mm +0.2 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of None of these Either (A) or (B) Helium gas Argon gas None of these Either (A) or (B) Helium gas Argon gas ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is 20 litres 10 litres 5 litres 15 litres 20 litres 10 litres 5 litres 15 litres ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals All of the listed here Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined Porosity of the metal is largely eliminated All of the listed here Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
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