Workshop Technology During hot working of metals All of the listed here Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated All of the listed here Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology V-block is used to Check the surface roughness None of these Locate centres of round rods Check the trueness of flat surfaces Check the surface roughness None of these Locate centres of round rods Check the trueness of flat surfaces ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Most of the oxyacetylene welding is done with All of these Carburising flame Oxidizing flame Neutral flame All of these Carburising flame Oxidizing flame Neutral flame ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology To prevent the body of the blade from jamming in the saw cut, the teeth of blade are All of the listed here Sharpened Strengthened Set All of the listed here Sharpened Strengthened Set ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 50°-60° 60°-70° 40°-50° 30°-40° 50°-60° 60°-70° 40°-50° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Washing it with water Washing it with dilute acid Using file card Rubbing on wood Washing it with water Washing it with dilute acid Using file card Rubbing on wood ANSWER DOWNLOAD EXAMIANS APP
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