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 26 mm/m 20 mm/m 10 mm/m 16 mm/m 26 mm/m 20 mm/m 10 mm/m 16 mm/m 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) 3 t √t 6 t 1.5 t 3 t √t 6 t 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Shift is a casting defect which 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 Occurs as sand patches on the upper surface of a casting Results in general enlargement 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 Occurs as sand patches on the upper surface of a casting Results in general enlargement of a casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In forehand welding, the weld is made First from left to right and then from right to left From right to left From left to right Either from left to right or from right to left First from left to right and then from right to left From right to left From left to right Either from left to right or from right to left ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS