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Welder
GAS METAL ARC WELDING
Set 14
Set 14
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Q13071
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Which type of electrodes are used in MAG/CO<sub>2</sub> welding?
A
Flux coated electrodes
B
Bare wire electrode
C
Flux cored electrodes
D
Guided bend test Guided bend test Tungsten electrode
Q13072
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What is the range of electrode for MAG / CO<sub>2</sub> welding?
A
0.8 to 1.6 mm
B
0.7 to 1.3 mm
C
0.6 to 0.9 mm
D
0.5 to 0.7 mm
Q13073
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What type of operation is generally used in GMAW?
A
Automatic
B
Semi automatic
C
Fully automatic
D
Manual method
Q13074
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Which heat treatment of steel increases hardness, but decreases strength and ductility?
A
Annealing
B
Hardening
C
Normalising
D
Case hardening
Q13075
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Which heat treatment process produces only outer surfaces of job hardened, to some depth?
A
Annealing
B
Hardening
C
Normalising
D
Case hardening
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