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71. In rightward welding method of pipe ends bended in which angle can be done pipe
butt joint ?
A) 30° - 40° 8) 50° - 70°
C) 75° - 85° 0) 85° - 90°
72. Which cracks develop at the end of the weld joint ?
A) Toe crack B) Under crack
C) Crater crack D) Longitudinal crack
73. If more than one cylinder is connected in a system is called
A) Series system B) Multiple system
C) Manifold system D) Group system
74. Which....
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