CWI - Pre Test Questions with Complete
Solutions| 100% Solved
Which of the following is a correct statement about brazing?
A. The base metal is not melted
B. The filler metal melts at a temperature below 800 degrees
C. It must be done in an inert gas atmosphere
D. In order to achieve capillary action large root opening is required
E. Inert gases may be substituted for oxygen A.
ER70S-6 can be used with which of these processes?
A. GTAW
B. GMAW
C. PAW
D. All of these D
The property of a material that best relates to its resistance to impact loading is :
A. Endurance limit
B. Fatigue strength
,C. Fracture toughness
D. Tensile strength
E. Ductility C.
Equal thickness of steel, cast iron, aluminum, lead and copper are radiographer using the same
exposure conditions. Which material will result in the darkest radiograph.
A. Lead
B. Steel
C. Aluminum
D. Copper
E. Cast iron C
Excess weld metal build up on a groove weld is referred to as:
A. Excess convexity
B. Excess weld reinforcement
C. Overfill
D. All of these
E. Both convexity and reinforcement B.
A number to the right of a nondestructive testing symbol refers to the:
, A. Number of tests to perform
B. The length of weld to be tested
C. The applicable quality standard
D. The test procedure to use
E. None of the above B.
The tensile stretch of a metal is its ability to resist applied forces that cause it to:
A. Stretch
B. Compress
C. Twist
D. Bend A.
All welding symbol requires which of the following basic elements in their construction?
A. Reference line, arrow, and tail
B. Reference line and arrow
C. Reference line, arrow, weld symbol
D. Reference line, arrow, weld symbol, dimensions and supplementary data
E. Reference line B.
Which type of brazing is done in a vacuum or inert gas?
Solutions| 100% Solved
Which of the following is a correct statement about brazing?
A. The base metal is not melted
B. The filler metal melts at a temperature below 800 degrees
C. It must be done in an inert gas atmosphere
D. In order to achieve capillary action large root opening is required
E. Inert gases may be substituted for oxygen A.
ER70S-6 can be used with which of these processes?
A. GTAW
B. GMAW
C. PAW
D. All of these D
The property of a material that best relates to its resistance to impact loading is :
A. Endurance limit
B. Fatigue strength
,C. Fracture toughness
D. Tensile strength
E. Ductility C.
Equal thickness of steel, cast iron, aluminum, lead and copper are radiographer using the same
exposure conditions. Which material will result in the darkest radiograph.
A. Lead
B. Steel
C. Aluminum
D. Copper
E. Cast iron C
Excess weld metal build up on a groove weld is referred to as:
A. Excess convexity
B. Excess weld reinforcement
C. Overfill
D. All of these
E. Both convexity and reinforcement B.
A number to the right of a nondestructive testing symbol refers to the:
, A. Number of tests to perform
B. The length of weld to be tested
C. The applicable quality standard
D. The test procedure to use
E. None of the above B.
The tensile stretch of a metal is its ability to resist applied forces that cause it to:
A. Stretch
B. Compress
C. Twist
D. Bend A.
All welding symbol requires which of the following basic elements in their construction?
A. Reference line, arrow, and tail
B. Reference line and arrow
C. Reference line, arrow, weld symbol
D. Reference line, arrow, weld symbol, dimensions and supplementary data
E. Reference line B.
Which type of brazing is done in a vacuum or inert gas?
