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 10 mm/m 26 mm/m 16 mm/m 20 mm/m 10 mm/m 26 mm/m 16 mm/m 20 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made from Mild steel Cast iron Cast tool steel High speed steel Mild steel Cast iron Cast tool steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 280 to 560 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform packing of sand in the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform sand hardness throughout the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform packing of sand in the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform sand hardness throughout the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, pressure applied varies from 10 to 25 MPa 5 to 10 MPa 1 to 5 MPa 25 to 55 MPa 10 to 25 MPa 5 to 10 MPa 1 to 5 MPa 25 to 55 MPa ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used to join the ends of two pipes of uniform cross-section, is Spot welding Upset butt welding Projection welding Seam welding Spot welding Upset butt welding Projection welding Seam welding ANSWER DOWNLOAD EXAMIANS APP
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