Exam Questions and CORRECT Answers
Selection of the electrode holder size used for SMAW welding is based on?
A. Type of electrodes to be used
B. Type of base material to be welded
C. Both type of electrodes to be used and type of base material to be welded
D. Amperage to be used
E. None of the above - CORRECT ANSWER - D.
The welding inspector is not responsible for checking to make sure all welding and testing
personnel have adequate certifications.
A true
B false - CORRECT ANSWER -B
Acetylene becomes unstable above what pressure?
A. 5 psi
B. 10 psi
C. 15 psi
D. None of these - CORRECT ANSWER - C.
Electric currents above approx 6 milliampres are considered
A. Not harmful
B. Primary currents
,C. Harmful
D. Secondary currents
E. Primary currents and harmful - CORRECT ANSWER - E.
The upper limits of preheat and inter pass temperatures for quenched and tempered steels are
specified for what reasons?
A. To avoid cracking in the weldment
B. To keep the weld metal from becoming too strong
C. To maintain the strength in the base metal heat affected Zone
D. To keep deposition rate to a minimum
E. To avoid cracking in the weldment and to maintain the strength in the base metal heat affected
zone. - CORRECT ANSWER - C.
Which gases can be used for OFW?
A. MAPP
B. Acetylene
C. Natural
D. Propane
E. All of these - CORRECT ANSWER - B.
Which of the following discontinuities are not associated with GMAW?
A. Slag inclusions
B. Porosity
C. Tungsten inclusions
D. a and b
E. a and c - CORRECT ANSWER - E.
, Which NDT method is considered to be a true volumetric test?
A. RT
B. UT
C. PT
D. MT
E. ET - CORRECT ANSWER - B.
When carbon arc welding (CAW) was used, the process could be performed:
A. Manually
B: Mechanized
C. Automatically
D. Semiautomatically - CORRECT ANSWER - A.
If a welder qualifies to weld with an E-6010 electrode, which is an F3 group, he is also qualified
to weld with all of the following except :
A. E6011
B. E6012
C. E7018
D. E7024
E. E6013 - CORRECT ANSWER - C.
When you use DC straight polarity (DCSP) welding current, the electrode is:
A. Bypassed