FLORIDA Hosting Exam Study Guide Best
Studying Material with All Questions, Exams of
WELDING AND PLUMBING GRADED A
If a wire is being fed at a speed of 120 mm/s, how many inches per minute is that equal to? (mm/s / .423
= IPM)
a. 28.3 ipm
b. 283 ipm
c. 50.75 ipm
d. 5.076 ipm
e. none of the above - ANSWER>>b. 283 ipm
Which is not a true statement about brazing?
a. the base metal is not melted
b. the filler metal melts at a temperature below 800° F
c. It can only be done in an inert gas atmosphere
d. It relies on capillary action
e. none of the above - ANSWER>>b. the filler metal melts at a temperature below 800° F
The boundaries indicated by "A" are:
(figure 22)
a. fusion line
b. depth of fusion
c. weld interface
d. fusion face
e. none of the above - ANSWER>>d. fusion face
Which of the following is not a type of weld joint?
a. lap
b. T
c. fillet
d. butt
e. edge - ANSWER>>c. fillet
Which of the following welds is not considered applicable for an edge joint?
a. V-groove
b. plug
c. edge-flange
d. U-groove
e. J-groove - ANSWER>>b. plug
Which of the following discontinuities is associated with shrinkage stresses in the through-thickness
direction of thick plate?
a. crater cracks
b. lamellar tears
, c. toe cracks
d. root cracks
e. none of the above - ANSWER>>b. lamellar tears
Which of the following is considered to be an acceptable way to provide backing for a V-groove weld in a
butt joint?
a. copper backing bar
b. ceramic backing
c. flux backing
d. backing weld
e. all of the above - ANSWER>>e. all of the above
An MT indication is noted at the toe of a fillet weld which exhibits an excessively convex profile. What
interpretation should be made?
a. Ignore, since it is a nonrelevant indication
b. Reject the weld
c. Grind to remove the excess convexity and retest
d. Accept the weld
e. none of the above - ANSWER>>c. Grind to remove the excess convexity and retest
Which discontinuity occurs in the heat affected zone and can result from excess moisture in the weld
zone?
a. longitudinal crack
b. crater crack
c. underbead crack
d. porosity
e. transverse crack - ANSWER>>c. underbead crack
The design strength of a fillet weld is always based on the throat dimension because:
a. it has a columnar microstructure, which is more prone to cracking
b. it is the shortest failure path through the weld
c. it is the location of most defects
d. the design calculations cannot be checked
e. it is a theory of failure that cannot be supported by actual labratory testing - ANSWER>>b. it is the
shortest failure path through the weld
The "A" dimension is referred to as: (Figure 15)
a. the throat
b. the size
c. the leg
d. a and b above
e. b and c above - ANSWER>>b. the size
What is the approximate diameter of an electrode which measures 1.2 mm?
a. 0.472 in
b. 4.72 in
c. 0.39 ft
d. 0.039 ft
e. none of the above - ANSWER>>e. none of the above
Studying Material with All Questions, Exams of
WELDING AND PLUMBING GRADED A
If a wire is being fed at a speed of 120 mm/s, how many inches per minute is that equal to? (mm/s / .423
= IPM)
a. 28.3 ipm
b. 283 ipm
c. 50.75 ipm
d. 5.076 ipm
e. none of the above - ANSWER>>b. 283 ipm
Which is not a true statement about brazing?
a. the base metal is not melted
b. the filler metal melts at a temperature below 800° F
c. It can only be done in an inert gas atmosphere
d. It relies on capillary action
e. none of the above - ANSWER>>b. the filler metal melts at a temperature below 800° F
The boundaries indicated by "A" are:
(figure 22)
a. fusion line
b. depth of fusion
c. weld interface
d. fusion face
e. none of the above - ANSWER>>d. fusion face
Which of the following is not a type of weld joint?
a. lap
b. T
c. fillet
d. butt
e. edge - ANSWER>>c. fillet
Which of the following welds is not considered applicable for an edge joint?
a. V-groove
b. plug
c. edge-flange
d. U-groove
e. J-groove - ANSWER>>b. plug
Which of the following discontinuities is associated with shrinkage stresses in the through-thickness
direction of thick plate?
a. crater cracks
b. lamellar tears
, c. toe cracks
d. root cracks
e. none of the above - ANSWER>>b. lamellar tears
Which of the following is considered to be an acceptable way to provide backing for a V-groove weld in a
butt joint?
a. copper backing bar
b. ceramic backing
c. flux backing
d. backing weld
e. all of the above - ANSWER>>e. all of the above
An MT indication is noted at the toe of a fillet weld which exhibits an excessively convex profile. What
interpretation should be made?
a. Ignore, since it is a nonrelevant indication
b. Reject the weld
c. Grind to remove the excess convexity and retest
d. Accept the weld
e. none of the above - ANSWER>>c. Grind to remove the excess convexity and retest
Which discontinuity occurs in the heat affected zone and can result from excess moisture in the weld
zone?
a. longitudinal crack
b. crater crack
c. underbead crack
d. porosity
e. transverse crack - ANSWER>>c. underbead crack
The design strength of a fillet weld is always based on the throat dimension because:
a. it has a columnar microstructure, which is more prone to cracking
b. it is the shortest failure path through the weld
c. it is the location of most defects
d. the design calculations cannot be checked
e. it is a theory of failure that cannot be supported by actual labratory testing - ANSWER>>b. it is the
shortest failure path through the weld
The "A" dimension is referred to as: (Figure 15)
a. the throat
b. the size
c. the leg
d. a and b above
e. b and c above - ANSWER>>b. the size
What is the approximate diameter of an electrode which measures 1.2 mm?
a. 0.472 in
b. 4.72 in
c. 0.39 ft
d. 0.039 ft
e. none of the above - ANSWER>>e. none of the above
