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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
A crack with its major axis oriented approximately perpendicular to the weld axis is called a:
A crack with its major axis oriented approximately perpendicular to the weld axis is called a:A . Lamellar crack.B . Non-directional crack.C . Transverse crack.D . Perpendicular crack.View AnswerAnswer: C
What increases when a welder increases the amperage?
What increases when a welder increases the amperage?A . VoltageB . Arc lengthC . HeatD . Travel speedView AnswerAnswer: C
Which welding process produces a fast-freezing weld pool and is generally suited for joining thin sections or root passes?
Which welding process produces a fast-freezing weld pool and is generally suited for joining thin sections or root passes?A . GMAW-SB . GTAWC . GMAWD . FCAWView AnswerAnswer: B
The simplest weldability tests are those that evaluate:
The simplest weldability tests are those that evaluate:A . Porosity and slag inclusions of the weld.B . Cracking and corrosion resistance of the weld.C . Strength and ductility of the weld.D . Ductility and hardness of the weld.View AnswerAnswer: C
What is the major cause of lack of fusion in all welding processes involving carbon steel?
What is the major cause of lack of fusion in all welding processes involving carbon steel?A . Inadequate preheatB . Improper welding speedC . Improper heat input and improper welding techniqueD . Not using a low hydrogen electrode or improper shieldingView AnswerAnswer: C
