Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 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 Rubbing on wood Using file card Washing it with dilute acid Washing it with water Rubbing on wood Using file card Washing it with dilute acid ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Shearing Blanking Punching Piercing Shearing Blanking Punching Piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The shrinkage allowance for cast iron pattern is 26 mm/m 10 mm/m 20 mm/m 16 mm/m 26 mm/m 10 mm/m 20 mm/m 16 mm/m ANSWER DOWNLOAD EXAMIANS APP
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 A two high rolling mill consists of two rolls which rotate At the same speed but in opposite direction At different speeds and in the same direction At the same speed and in the same direction At different speeds and in the opposite direction At the same speed but in opposite direction At different speeds and in the same direction At the same speed and in the same direction At different speeds and in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
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