As a result of welding, metals with a high coefficient of thermal expansion are:
What is the minimum liquid level that should be maintained above the area that is to be hot tapped on a storage tank or vessel?
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?
When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:
Which of the following statements concerning electrode storage in ovens is true?
Mechanical tests are required to qualify a welding procedure to document that the properties of the weldment meet which of the following?
A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?
What is the major cause of lack of fusion in all welding processes involving carbon steel?
What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?
Which of the following determines the necessity for preheat and postweld heat treatment?
For what maximum outside diameter may a radiographic technique be used in which the radiation passes through two walls and the weld in both walls is viewed for acceptance?
Which welding process has been associated most with lack of fusion with shop-fabricated piping?
The deflection of an arc from its normal path that is a result of magnetic forces is referred to as:
Which of the following is a commonly accepted advantage of flux core arc welding (FCAW)?
A crack with its major axis oriented approximately perpendicular to the weld axis is called a:
When welding using the shielded metal arc welding (SMAW) process, which of the following best describes the appearance of excessive penetration on a radiograph?
When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?
To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer’s packaging, they should be stored:
A four-digit designation for a SMAW electrode under AWS classification uses the third digit to define the: