Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 4000°C to 5000°C 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C 4000°C to 5000°C 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C 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
Workshop Technology The metal is subjected to mechanical working for All of these Refining grain size Controlling the direction of flow lines Reducing original block into desired shape All of these Refining grain size Controlling the direction of flow lines Reducing original block into desired shape ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a ___, the molten metal is poured and allowed to solidify while the mould is revolving. Slush casting method Permanent mould casting method Centrifugal casting method Die casting method Slush casting method Permanent mould casting method Centrifugal casting method Die casting method ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Black colour Yellow colour Blue colour Red colour Black colour Yellow colour Blue colour Red colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die Providing shear on tool Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die Providing shear on tool ANSWER DOWNLOAD EXAMIANS APP