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(d) FCAW &
Q3.Which processes use a shielding gas?
(a) SMAW and SAW &(b) GMAW and GTAW. &(c) GMAW, SAW and GTAW &(d) GTAW and SMAW &
Q4.What type of ux is used to weld a low hydrogen applicationwith SAW?
(a) Agglomerated &(b) Fused &(c) Rutile &(d) Any of the above &
Q5.What shielding gases can be used in GTAW?
(a) Argon &(b) CO2 &(c) Argon/CO2 mixtures &(d) All of the above &
Q6.Which process does not use bare wire electrodes?
(a) GTAW &(b) SAW &(c) GMAW &(d) SMAW &
Q7.Which type of SMAW electrode would be used for low hydrogenapplications?
(a) Rutile &(b) Cellulosic &(c) Basic &(d) Reduced hydrogen cellulosic &
Q8.In an E7018 electrode, what does the 1 refer to?
(a) Type of ux coating &
Introduction to Welding/API 577
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