Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Hot piercing Cold heading Cold peening Extrusion Hot piercing Cold heading Cold peening Extrusion ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Washing it with water Washing it with dilute acid Using file card Rubbing on wood Washing it with water Washing it with dilute acid Using file card Rubbing on wood 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 into the mould cavity Delivers molten metal from pouring basin to gate 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 into the mould cavity Delivers molten metal from pouring basin to gate ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Riddle is used for Moistening the sand around the edge before removing pattern Smoothing and cleaning out depressions in the mould Cleaning the moulding sand Reinforcement of sand in the top part of moulding box Moistening the sand around the edge before removing pattern Smoothing and cleaning out depressions in the mould Cleaning the moulding sand Reinforcement of sand in the top part of moulding box ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 1.5 t 3 t √t 6 t 1.5 t 3 t √t 6 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, voltage required for heating is 50 to 100 volts 6 to 10 volts 1 to 5 volts 11 to 20 volts 50 to 100 volts 6 to 10 volts 1 to 5 volts 11 to 20 volts ANSWER DOWNLOAD EXAMIANS APP