Workshop Technology In electric resistance welding, voltage required for heating is 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 50 to 100 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Drawing Rolling Extrusion and rolling Extrusion Drawing Rolling Extrusion and rolling Extrusion ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Riddle is used for Cleaning the moulding sand Smoothing and cleaning out depressions in the mould Moistening the sand around the edge before removing pattern Reinforcement of sand in the top part of moulding box Cleaning the moulding sand Smoothing and cleaning out depressions in the mould Moistening the sand around the edge before removing pattern Reinforcement of sand in the top part of moulding box 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 Extrusion Hot piercing Cold heading Cold peening Extrusion Hot piercing Cold heading ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as Drawing Squeezing Planishing Coining Drawing Squeezing Planishing Coining ANSWER DOWNLOAD EXAMIANS APP