Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Piercing Blanking Punching Shearing Piercing Blanking Punching Shearing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform sand hardness throughout 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 Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout 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 Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained. Carburising Neutral Oxidizing None of the listed here Carburising Neutral Oxidizing None of the listed here 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 heading Extrusion Cold peening Hot piercing Cold heading Extrusion Cold peening Hot piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Lower critical temperature Upper critical temperature Recrystallisation temperature Eutectic temperature Lower critical temperature Upper critical temperature Recrystallisation temperature Eutectic temperature ANSWER DOWNLOAD EXAMIANS APP
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