Module Six Review Questions and answers

Which section of the ASME Boiler and Pressure Vessels Code contains the specifications for acceptable ferrous (Part A) and non-ferrous (Part B) base metals? Section II The minimum requirements for the design, materials, fabrication, erection, testing, and inspection of various types of piping systems are covered by __________________. ASME B 31 The code that covers the requirements for welding structures or components under the surface of water is ________________. AWS D3.6M If you are directed to perform a weld for which you are not qualified, you should _______________________. try to resolve the matter with your immediate supervisor. Which of the following is considered a non-essential variable for a welding performance qualification? travel speed The presence of voids or empty spots in the weld metal is called ____________. porosity The type of porosity in which the weld exhibits a localized grouping of pores is known as _______________________. clustered porosity The type of weld discontinuity referred to as wormholes is ____________________. piping porosity Linear porosity ____________________. Surface slag inclusion ___________________. Toe crack _______________________. One method of reducing weld metal cracking is to use ____________________. low hydrogen electrodes Dross from flame cutting, if not removed, is likely to cause _______________. porosity Dimensional accuracy of a weld is checked by ______________. using weld gauges A vacuum box is used to check for _________________. leaks The test method shown in Review Question Figure 2 is the _____________________. The nick-break test is a type of _____________. soundness test A typical AWS welder qualification test is a V-groove weld with metal backing in the 3G and 4G positions using an ____________________________. F4 electrode An ASME welder qualification that qualifies a welder to weld pipe in all positions and plate in all positions is a _____________________________. 6G position test