【正文】
les, 2 macroetch specimens, 2 root bends, 2 face bends2拉伸,2宏觀腐蝕試驗樣塊,2根部彎曲,2表面彎曲e. None of the above以上都不是43. during the evaluation of a guided bend test specimen, a 5/16” corner crack is observed. There is no evidence of slag inclusions or other fusion type discontinuities. The specimen is在導(dǎo)向彎曲試件評定中,發(fā)現(xiàn)一個5/16”的角裂。沒有含有焊渣或其他熔化型的不連續(xù)。此試件為:a. Acceptable可接受b. Rejectable because the crack is greater than 188?!本芙^,因為裂紋大于188?!眂. Rejectable because the crack is greater than 1/8” 拒絕,因為裂紋大于1/8”d. Disregarded and a replacement specimen taken from the original weldment可以忽視,并用相同試件替換e. Disregarded and a replacement specimen take from a different weldment可以忽視,并用不同試件替換The following information applies for questions 44 through 49根據(jù)以下信息,回答44至49題A welder is be qualified on a groove weld in the horizontal position on 8” schedule 80 using the SMAW process. The material being jointed is API 5L Grade X42 to API 5L Grade X52. 一個焊工考8”的坡口橫焊,合格。被焊接的材料為API 5L 等級X42至 API 5L 等級 X52。44. For what thickness is this qualification valid ?此評定的有效厚度為?a. 5/16” – 190?!眀. 190。” minimum – unlimited最小190?!薄獰o限制c. ” minimum – unlimited最小—無限制d. All of the above以上所有e. None of the above以上都不是45. What is a remended filler metal for this weld ?此焊接推薦使用 填充金屬:a. E6010b. E7010c. E7018d. a or b abovee. b or c above46. For what range of diameters is this qualification valid ?此評定的有效直徑覆蓋范圍為:a. 190。” through 4” 190。”至4”b. 4” or smaller 4”或更小c. 4” or larger4”或更大d. All diameters所有直徑e. Test diameter and above測試直徑及以上47. What test specimens are required ?需要什么樣的試塊?a. 2 face bends, 2 root bends, 2表面彎曲,2根部彎曲b. 1 face bend, 1 root bend1表面彎曲,1根部彎曲c. 2 face bends, 2 root bends, 2 reduced section tensile2表面彎曲,2根部彎曲,2拉伸d. 4 side bends4側(cè)面彎曲e. None of the above以上都不是48. What is the required preheat and interpass temperature for welding this joint ?焊接此接頭需要的預(yù)熱和層間溫度為?a. None 無b. None as long as the base metal is above 32 186。F無,只要母材高于32 186。Fc. 50 186。F minimum至少50 186。Fd. 150 186。F minimum至少150 186。Fe. None of the above以上都不是49. What Fnumber(s) apply to proper filler metal for this weld ?此焊接使用的填充金屬的F號為?a. 1 amp。 6b. 2 amp。 6c. 6 amp。 21d. 4 only只是4e. None of the above以上都不是50. What is the heat input in J/in for a weld made with the GMAW process Using 26 volts, 260 amps and 6 in/min. travel speed ?在GMAW焊接過程中, 26V、260安培,速度為6 in/min,以焦耳計算的熱輸入為: 電壓x安培x60焦耳/英寸= 移動速度8 /