Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Flow of current All of these Voltage Contact resistance Flow of current All of these Voltage Contact resistance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness more than 12.5 mm, its edges Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Do not require bevelling Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Do not require bevelling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 5 to 10 mm/m 1 to 2 mm/m 10 to 15 mm/m 2 to 5 mm/m 5 to 10 mm/m 1 to 2 mm/m 10 to 15 mm/m 2 to 5 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which one of the following material will require the largest size of riser for the same size of casting? Copper Steel Cast iron Aluminium Copper Steel Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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