1
GATE PI 2003
MCQ (Single Correct Answer)
+5
-1.5
A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$ Welding speed: $$18$$ $$cm/min;$$ wire diameter: $$1.2$$ $$mm;$$ Wire feed rate: $$4$$ $$m/min;$$ Thermal efficiency of the process: $$65\% $$
The area of cross section of weld bead in $$m{m^2}$$ is:
2
GATE PI 2003
MCQ (Single Correct Answer)
+5
-1.5
A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$ Welding speed: $$18$$ $$cm/min;$$ wire diameter: $$1.2$$ $$mm;$$ Wire feed rate: $$4$$ $$m/min;$$ Thermal efficiency of the process: $$65\% $$
The heat input per unit length of the weld in $$kJ/cm$$ is:
3
GATE PI 2001
MCQ (Single Correct Answer)
+5
-1.5
A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$ Welding speed: $$18$$ $$cm/min;$$ wire diameter: $$1.2$$ $$mm;$$ Wire feed rate: $$4$$ $$m/min;$$ Thermal efficiency of the process: $$65\% $$
The area of cross section of weld bead in $$m{m^2}$$ is:
4
GATE PI 2001
MCQ (Single Correct Answer)
+5
-1.5
A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$ Welding speed: $$18$$ $$cm/min;$$ wire diameter: $$1.2$$ $$mm;$$ Wire feed rate: $$4$$ $$m/min;$$ Thermal efficiency of the process: $$65\% $$
The heat input per unit length of the weld in $$kJ/cm$$ is:
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