Workshop Technology In forehand welding, the angle between the welding rod and the work is kept as 60°-70° 50°-60° 30°-40° 40°-50° 60°-70° 50°-60° 30°-40° 40°-50° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform sand hardness throughout the mould Ram the sand harder at the back of the mould and softer on the pattern face 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 Produce uniform sand hardness throughout the mould Ram the sand harder at the back of the mould and softer on the pattern face 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 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 1 to 2 mm/m 5 to 10 mm/m 10 to 15 mm/m 2 to 5 mm/m 1 to 2 mm/m 5 to 10 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Black colour Blue colour Yellow colour Red colour Black colour Blue colour Yellow colour Red colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The sand used for making cores is Dry sand Oil sand Loam sand Green sand Dry sand Oil sand Loam sand Green sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting ANSWER DOWNLOAD EXAMIANS APP
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