Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Press load is reduced Warping of sheet is minimized Cut blanks is straight Good cut edge is obtained Press load is reduced Warping of sheet is minimized Cut blanks is straight Good cut edge is obtained ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 3000°C to 4000°C 5000°C to 6000°C 6000°C to 7000°C 4000°C to 5000°C 3000°C to 4000°C 5000°C to 6000°C 6000°C to 7000°C 4000°C to 5000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs due to improper venting of sand is known as Blow holes Shift Swell Cold shuts Blow holes Shift Swell Cold shuts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit welding is often used in All of these Repairing broken shears Replacing broken gear teeth Joining rails, truck frames and locomotive frames etc. All of these Repairing broken shears Replacing broken gear teeth Joining rails, truck frames and locomotive frames etc. ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding. Same Less More None of these Same Less More None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
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