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What is the liquid flow rate range that should be maintained in piping to be hot tapped?
What is the liquid flow rate range that should be maintained in piping to be hot tapped?A . 0.05 - 2.7 ft./sec (0.015 - 0.82 m/sec)B . 1.3 - 4.0 ft./sec (0.40 - 1.20 m/sec)C . 2.3 - 3.3 ft./sec (0.70 - 1.00 m/sec)D . 4.1 - 5.5 ft./sec (1.25...
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?
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?A . 1 ft. (300 mm)B . 2 ft. (600 mm)C . 3 ft. (900 mm)D . 4 ft. (1200 mm)View AnswerAnswer: B
For SMAW welding, the last number of the electrode identification identifies:
For SMAW welding, the last number of the electrode identification identifies:A . Chemical composition.B . Electrode operating characteristics.C . Welding position.D . Coating operating characteristics.View AnswerAnswer: D
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?
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?A . 1.5 in. (38.0 mm)B . 2.5 in. (63.5 mm)C . 3 in. (76.2 mm)D . 3.5 in. (90.0 mm)View AnswerAnswer:...
Which of the following is a commonly accepted advantage of flux core arc welding (FCAW)?
Which of the following is a commonly accepted advantage of flux core arc welding (FCAW)?A . Equipment is simple, inexpensive, and portable.B . The slag supports and shapes the weld bead.C . There is a reduced requirement for ventilation.D . There is minimal postweld cleanup.View AnswerAnswer: B
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?A . Yes, but only for thicknesses greater than .280"B . No, the material thickness on the PQR should be .375"C . Yes, the PQR qualifies the ranges as stated...
A-number groupings are based upon the:
A-number groupings are based upon the:A . Chemical composition of the deposited weld metal.B . Comparable base metal ultimate strength values.C . Weldability characteristics of the metal.D . Type and strength of base metal.View AnswerAnswer: A
The carbon equivalent formula indicates:
The carbon equivalent formula indicates:A . Whether postweld heat treatment (PWHT) will be needed.B . Whether preheat will be needed.C . The theoretical carbon content of a steel.D . The weldability of a steel, based on carbon content.View AnswerAnswer: D
P-numbers are based on which of the following?
P-numbers are based on which of the following?A . Comparable base metal characteristicsB . Weldability characteristics of base metalC . Electrode characteristicsD . Chemical composition of the base metalView AnswerAnswer: B
The direction of magnetic flux can be confirmed by the use of a:
The direction of magnetic flux can be confirmed by the use of a:A . Pie gauge.B . Magnetic-field-sensitive crayon.C . Flux line sensitizer.D . Calibration gauge.View AnswerAnswer: A
