Workshop Technology For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately 44 mm 48 mm 42 mm 46 mm 44 mm 48 mm 42 mm 46 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Riddle is used for Moistening the sand around the edge before removing pattern Reinforcement of sand in the top part of moulding box Smoothing and cleaning out depressions in the mould Cleaning the moulding sand Moistening the sand around the edge before removing pattern Reinforcement of sand in the top part of moulding box Smoothing and cleaning out depressions in the mould Cleaning the moulding sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 10 to 15 mm/m 2 to 5 mm/m 5 to 10 mm/m 1 to 2 mm/m 10 to 15 mm/m 2 to 5 mm/m 5 to 10 mm/m 1 to 2 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Sand wash Shift Swell Scab Sand wash Shift Swell Scab 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) 6 t 3 t √t 1.5 t 6 t 3 t √t 1.5 t ANSWER DOWNLOAD EXAMIANS APP