CWI - PRE TEST QUESTIONS AND
ANSWERS 100% PASS
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 - ✔✔D.
The welding inspector is not responsible for checking to make sure all welding and
testing personnel have adequate certifications.
A true
B false - ✔✔B
Acetylene becomes unstable above what pressure?
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,A. 5 psi
B. 10 psi
C. 15 psi
D. None of these - ✔✔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 - ✔✔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
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, 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. - ✔✔C.
Which gases can be used for OFW?
A. MAPP
B. Acetylene
C. Natural
D. Propane
E. All of these - ✔✔B.
Which of the following discontinuities are not associated with GMAW?
A. Slag inclusions
B. Porosity
C. Tungsten inclusions
D. a and b
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ANSWERS 100% PASS
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 - ✔✔D.
The welding inspector is not responsible for checking to make sure all welding and
testing personnel have adequate certifications.
A true
B false - ✔✔B
Acetylene becomes unstable above what pressure?
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,A. 5 psi
B. 10 psi
C. 15 psi
D. None of these - ✔✔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 - ✔✔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
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, 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. - ✔✔C.
Which gases can be used for OFW?
A. MAPP
B. Acetylene
C. Natural
D. Propane
E. All of these - ✔✔B.
Which of the following discontinuities are not associated with GMAW?
A. Slag inclusions
B. Porosity
C. Tungsten inclusions
D. a and b
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