Q53. When testing cast iron pipe which of the following methods should not be used?

Q54. A specialized valve generally used in erosive or high-temperature service is a valve

Q55. In lieu of the required heat treatment after welding, what may be used as an alternative?

Q56. What is the working pressure of a 150 Ib. flange, SA 350 Gr.LF6 CL 1, used at 400°F?

Q57. The radiograph of a Normal Fluid service piping weld revealed a crack.
What is the acceptable crack length if the pipe wall was 0.375?

Q58. The downstream limit of the injection point circuit is the second change in flow direction past the injection point or:

Q59. What classification does the majority of unit process piping fall in to?

Q60. The outside diameter of piping in high-temperature service, about 800°F, should be measured to check for

Q61. During a MT examination, shall be performed on each area.

Q62. Can the inspection interval of the system in question 24 be increased to 8 years?

Q63. Without the benefit of an impact test, what is the minimum operating temperature for A-106 Grade B material used in a Category D Fluid Service?

Q64. More than one contractor, manufacturer or installer may simultaneously qualify a welder. In such case, each participating organization shall be represented by during the test.

Q65. Piping subject to CUI includes piping insulated for personnel protection, especially:

Q66. A welder qualified to weld in accordance with one qualified WPS is also qualified to weld.

Q67. With respect to a Class 400, NPS 12 slip on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?

Q68. What is the minimum holding time of SA-106 Grade B, 1 inch thick material?

Q69. A welder may be qualified by AT in any welding process except for which of the following?