Workshop Technology In electric resistance welding, voltage required for heating is 6 to 10 volts 50 to 100 volts 11 to 20 volts 1 to 5 volts 6 to 10 volts 50 to 100 volts 11 to 20 volts 1 to 5 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals 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 All of the listed here Grain structure of the metal is refined ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The mode of deformation of the metal during spinning is Bending and stretching Bending Rolling and stretching Stretching Bending and stretching Bending Rolling and stretching Stretching ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be 20 mm/m 26 mm/m 16 mm/m 10 mm/m 20 mm/m 26 mm/m 16 mm/m 10 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Extrusion Drawing Extrusion and rolling Rolling Extrusion Drawing Extrusion and rolling Rolling ANSWER DOWNLOAD EXAMIANS APP
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