CWB LEVEL 2 EXAM QUESTIONS
AND ANSWERS 2026 - 2027
1. Two steel plates are to be welded together. Each plate has a bevel
cut on the face to be welded. What type of weld will be made?
a) Double bevel groove weld.
b) Double vee groove weld.
c) Single bevel groove weld.
d) Vee groove weld.
e) Flare bevel groove weld. - ANSWERS-d) Vee groove weld.
2. Which side of a fillet weld gauge is used for measuring the size of a
concave faced fillet weld?
a) Leg side.
b) Straight side.
c) Throat side
d) Face side.
e) Toe side. - ANSWERS-c) Throat side
3. A backing gas is used to:
a) Prevent root burn-through.
b) Reduce root concavity.
c) Support the molten root metal.
,d) Prevent root oxide contamination. - ANSWERS-d) Prevent root
oxide contamination.
4. A crack perpendicular to the length of the weld is called a:
a) Transverse crack .
b) Longitudinal crack.
c) Throat crack.
d) Underbead crack. - ANSWERS-a) Transverse crack .
5 Which of the following electrodes is classified as a basic electrode:
a) E-6010
b) E4914
c) All cellulosic electrodes.
d) Electrodes containing titania.
e) E4916 - ANSWERS-e) E4916
7. An impact test is used to determine:
a) Hardness.
b) Toughness
c) Ductility.
d) Crack size.
e) Cracking rates. - ANSWERS-b) Toughness
8. For the liquid penetrant inspection method you would:
,a) Apply a thick coat of developer over the penetrant on the weld
surface in order to develop the crack defects.
b) Apply a thin coat of developer over the penetrant on the weld
surface in order to develop the crack defects.
c) Apply a thin coat of penetrant over the developer for a period of
time equal to one half the required developer time.
d) Apply the magnetic particles before you applied the developer.
e) Apply a thin coat of developer over the clean surface of the weld
after the dwell time has elapsed and en excesses penetrant has been
completely removed. - ANSWERS-e) Apply a thin coat of developer
over the clean surface of the weld after the dwell time has elapsed and
en excesses penetrant has been completely removed.
9. Which of the following outlines the elements which generally have
the most effect upon Carbon Equivalent and weldability of steel?
a) Silicon and Nickel.
b) Carbon and Manganese
c) Sulphur, Nickel and Boron.
d) Chromium and Nickel.
e) Calcium and Nitrogen. - ANSWERS-b) Carbon and Manganese
10. A steel bar of square cross-section 2 inches x 2 inches is subject to
a load of 48 kips. What is the tensile stress in the bar?
a) 12,000 ksi.
b) 24 kips.
c) 12,000 psi.
, d) 12 Mpa.
e) 24,000 psi. - ANSWERS-c) 12,000 psi.
11.To measure the strength of a welded joint what mechanical test
would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. - ANSWERS-a)
A transverse weld tension test
12. Select the cutting process that would provide the narrowest heat
affected zone when cutting 12.5 mm (0.5 in) thick carbon steel.
a) Oxy-acetylene cutting.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting - ANSWERS-e) Laser beam cutting
13. Which of the following refers to a welder test where a pipe
assembly is placed vertically and the joint welded in the horizontal
position without rotating the assembly?
a) 1G
b) 2G
c) 3G
AND ANSWERS 2026 - 2027
1. Two steel plates are to be welded together. Each plate has a bevel
cut on the face to be welded. What type of weld will be made?
a) Double bevel groove weld.
b) Double vee groove weld.
c) Single bevel groove weld.
d) Vee groove weld.
e) Flare bevel groove weld. - ANSWERS-d) Vee groove weld.
2. Which side of a fillet weld gauge is used for measuring the size of a
concave faced fillet weld?
a) Leg side.
b) Straight side.
c) Throat side
d) Face side.
e) Toe side. - ANSWERS-c) Throat side
3. A backing gas is used to:
a) Prevent root burn-through.
b) Reduce root concavity.
c) Support the molten root metal.
,d) Prevent root oxide contamination. - ANSWERS-d) Prevent root
oxide contamination.
4. A crack perpendicular to the length of the weld is called a:
a) Transverse crack .
b) Longitudinal crack.
c) Throat crack.
d) Underbead crack. - ANSWERS-a) Transverse crack .
5 Which of the following electrodes is classified as a basic electrode:
a) E-6010
b) E4914
c) All cellulosic electrodes.
d) Electrodes containing titania.
e) E4916 - ANSWERS-e) E4916
7. An impact test is used to determine:
a) Hardness.
b) Toughness
c) Ductility.
d) Crack size.
e) Cracking rates. - ANSWERS-b) Toughness
8. For the liquid penetrant inspection method you would:
,a) Apply a thick coat of developer over the penetrant on the weld
surface in order to develop the crack defects.
b) Apply a thin coat of developer over the penetrant on the weld
surface in order to develop the crack defects.
c) Apply a thin coat of penetrant over the developer for a period of
time equal to one half the required developer time.
d) Apply the magnetic particles before you applied the developer.
e) Apply a thin coat of developer over the clean surface of the weld
after the dwell time has elapsed and en excesses penetrant has been
completely removed. - ANSWERS-e) Apply a thin coat of developer
over the clean surface of the weld after the dwell time has elapsed and
en excesses penetrant has been completely removed.
9. Which of the following outlines the elements which generally have
the most effect upon Carbon Equivalent and weldability of steel?
a) Silicon and Nickel.
b) Carbon and Manganese
c) Sulphur, Nickel and Boron.
d) Chromium and Nickel.
e) Calcium and Nitrogen. - ANSWERS-b) Carbon and Manganese
10. A steel bar of square cross-section 2 inches x 2 inches is subject to
a load of 48 kips. What is the tensile stress in the bar?
a) 12,000 ksi.
b) 24 kips.
c) 12,000 psi.
, d) 12 Mpa.
e) 24,000 psi. - ANSWERS-c) 12,000 psi.
11.To measure the strength of a welded joint what mechanical test
would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. - ANSWERS-a)
A transverse weld tension test
12. Select the cutting process that would provide the narrowest heat
affected zone when cutting 12.5 mm (0.5 in) thick carbon steel.
a) Oxy-acetylene cutting.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting - ANSWERS-e) Laser beam cutting
13. Which of the following refers to a welder test where a pipe
assembly is placed vertically and the joint welded in the horizontal
position without rotating the assembly?
a) 1G
b) 2G
c) 3G
