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 operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Piercing Shearing Blanking Punching Piercing Shearing Blanking Punching ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains 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 All of the listed here Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to Ferrous materials Hard materials Ductile materials None of these Ferrous materials Hard materials Ductile materials None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform packing of sand in the mould Ram the sand harder at the back of the mould and softer on the pattern face Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould Produce uniform packing of sand in the mould Ram the sand harder at the back of the mould and softer on the pattern face Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Cold peening Hot piercing Extrusion Cold heading Cold peening Hot piercing Extrusion Cold heading ANSWER DOWNLOAD EXAMIANS APP
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