When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:
To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?
Hardenability of a steel can be an indirect indicator of:
When welding nickel alloys, it is important that:
To avoid burn through during in-service welding on thinner wall equipment, it is generally recommended to:
To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer’s packaging, they should be stored:
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?
Mechanical tests are required to qualify a welding procedure to document that the properties of the weldment meet which of the following?
For GMAW welding, the last number of the electrode identifies the:
General awareness of metallurgy is important to the welding inspector because:
The WPS gives the welder specific guidelines to:
Which of the following can result from residual magnetism left in a partially completed weld?
The carbon equivalent formula indicates:
What is the purpose of a PQR?
A crack with its major axis oriented approximately perpendicular to the weld axis is called a:
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?
What is the Brinell hardness limit value for 1-1/4 Cr -1/2 Mo steel in refining service?
In hardness testing of carbon steel weldment specimens, there is an approximate relationship between hardness and:
Heating a round bar to an elevated temperature and then quenching one end is a test method to determine:
Prior to any welding, inspectors should review the:
What is the liquid flow rate range that should be maintained in piping to be hot tapped?
One of the main differences between welding nickel alloys and austenitic stainless steels is that with nickel alloys:
Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?
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?
For SMAW welding, the last number of the electrode identification identifies:
Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:
When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:
For design purposes, the maximum usefulness of a weldment under test is based upon the:
A-number groupings are based upon the:
Exposed film that allows 1% of the incident light to pass through has a film density of:
Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?
What is the "area of interest" on a weld radiograph?
Which of the following determines the necessity for preheat and postweld heat treatment?