Workshop Technology The process of decreasing the cross-section of a bar and increasing its length, is called Spinning Drawing down Upsetting Peening Spinning Drawing down Upsetting Peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to 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 Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 5 to 10 mm/m 2 to 5 mm/m 1 to 2 mm/m 10 to 15 mm/m 5 to 10 mm/m 2 to 5 mm/m 1 to 2 mm/m 10 to 15 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a centrifugal casting method Core is made of ferrous metal Core is made of nonferrous metal No core is used Core is made of sand Core is made of ferrous metal Core is made of nonferrous metal No core is used Core is made of sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Shift is a casting defect which 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 Results in a mismatching of the top and bottom parts of a casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C 3000°C to 4000°C ANSWER DOWNLOAD EXAMIANS APP