Workshop Technology During hot working of metals All of the listed here Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated Grain structure of the metal is refined All of the listed here Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated Grain structure of the metal is refined ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit welding is often used in Joining rails, truck frames and locomotive frames etc. Replacing broken gear teeth All of these Repairing broken shears Joining rails, truck frames and locomotive frames etc. Replacing broken gear teeth All of these Repairing broken shears ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to Ferrous materials None of these Hard materials Ductile materials Ferrous materials None of these Hard materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature produced by oxy-hydrogen flame is about 3200°C 1800°C 2400°C 2100°C 3200°C 1800°C 2400°C 2100°C 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 mode of deformation of the metal during spinning is Rolling and stretching Bending and stretching Stretching Bending Rolling and stretching Bending and stretching Stretching Bending ANSWER DOWNLOAD EXAMIANS APP
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