1.
Q1. API 577 section 5.2
How is fusion obtained using the SMAW process?
(a) An arc is struck between a consumable flux-coated electrode and the work
(b) An arc is struck between a non-consumable electrode and the work
(c) The work is bombarded with a stream of electrons and protons
(d) An arc is struck between a reel-fed flux-coated electrode and the work
2.
Q2. API 577 section 5.1
Which of the following is not an arc welding process?
(a) SMAW
(b) STAW
(c) GMAW
(d) GTAW
3.
Q3. API 577 section 5.3
How is fusion obtained using the GTAW process?
(a) An arc is struck between a consumable flux-coated electrode and the work
(b) An arc is struck between a non-consumable tungsten electrode and the work
(c) The work is bombarded with a stream of electrons and protons
(d) An arc is struck between a reel-fed flux-coated electrode and the work
4.
Q4. API 577 section 5.3
How is the arc protected from contaminants in GTAW?
(a) By the use of shielding gas
(b) By the decomposition of a flux
(c) The arc is covered beneath a fused or agglomerated flux blanket
(d) All of the above methods can be used
5.
Q5. API 577 section 5.4
How is fusion obtained using the GMAW process?
(a) An arc is struck between a consumable flux-coated electrode and the work
(b) An arc is struck between a non-consumable electrode and the work
(c) The work is bombarded with a stream of electrons and protons
(d) An arc is struck between a continuous consumable electrode and the work
6.
Q6. API 577 section 5.4
Which of the following are modes of metal transfer in
GMAW?
(a) Globular transfer
(b) Short-circuiting transfer
(c) Spray transfer
(d) All of the above
7.
Q7. API 577 section 5.6
How is the arc shielded in the SAW process?
(a) By an inert shielding gas
(b) By an active shielding gas
(c) It is underneath a blanket of granulated flux
(d) The welding is carried out underwater
8.
Q8. API 577 section 5.6
SAW stands for:
(a) Shielded arc welding
(b) Stud arc welding
(c) Submerged arc welding
(d) Standard arc welding
9.
Q9. API 577 sections 5.3 and 3.7
Which of the following processes can weld
autogenously?
(a) SMAW
(b) GTAW
(c) GMAW
(d) SAW
10.
Q10. API 577 section 5.3.1
Which of the following is a commonly accepted
advantage of the GTAW process?
(a) It has a high deposition rate
(b) It has the best control of the weld pool of any of the arc processes
(c) It is less sensitive to wind and draughts than other processes
(d) It is very tolerant of contaminants on the filler or base metal
11.
13.5 Welding consumables familiarization questions
Q1.
In a SMAW electrode classified as E7018, what does
the 70 refer to?
(a) A tensile strength of 70 ksi
(b) A yield strength of 70 ksi
(c) A toughness of 70 J at 20 ℃
(d) None of the above
12.
Q2.
Which of the following does not produce a layer of
slag on the weld metal?
(a) SMAW
(b) GTAW
(c) SAW
(d) FCAW
13.
Q3.
Which processes use a shielding gas?
(a) SMAW and SAW
(b) GMAW and GTAW
(c) GMAW, SAW and GTAW
(d) GTAW and SMAW
14.
Q4.
What type of flux is used to weld a low hydrogen
application with SAW?
(a) Agglomerated
(b) Fused
(c) Rutile
(d) Any of the above
15.
Q5.
What shielding gases can be used in GTAW?
(a) Argon
(b) CO2
(c) Argon/CO2 mixtures
(d) All of the above
16.
Q6.
Which process does not use bare wire electrodes?
(a) GTAW
(b) SAW
(c) GMAW
(d) SMAW
17.
Q7.
Which type of SMAW electrode would be used for low
hydrogen applications?
(a) Rutile
(b) Cellulosic
(c) Basic
(d) Reduced hydrogen cellulosic
18.
Q8.
In an E7018 electrode, what does the 1 refer to?
(a) Type of flux coating
(b) It can be used with AC or DC
(c) The positional capability
(d) It is for use with DC only
19.
Q9.
Which of the following processes requires filler rods
to be added by hand?
(a) SMAW
(b) GTAW
(c) GMAW
(d) SAW
20.
Q10.
Which of the following processes uses filler supplied
on a reel?
(a) GTAW
(b) SAW
(c) GMAW
(d) Both (b) and (c)
Q1 A Q11 A
Q2 B Q12 B
Q3 B Q13 B
Q4 A Q14 A
Q5 D Q15 A
Q6 D Q16 D
Q7 C Q17 B
Q8 C Q18 C
Q9 B Q19 B
Q10 B Q20 D