NCCER Ironworker Final Exam | Questions With Verified Answer |Graded A+ |2025/2026, Exams of Metal Structures and Mixed Construction

NCCER Ironworker Final Exam | Questions With Verified Answer |Graded A+ |2025/2026 A condition in which the flame burns inside the tip, torch or hose is known as a - Correct Answer flashback Acetylene cylinder valves should be opened only approximately one to one-and-a-half turns to - Correct Answer provide quick closure in case of an emergency Most oxygen and fuel gas regulators have gauges that measure actual pressure in the cylinder and - Correct Answer pressure at the torch While oxygen cylinder pressure may be as high as 2200 psi, working pressure ranges from_______to______psi. - Correct Answer 1, 50 Which is the best flame for welding and cutting? - Correct Answer Neutral Which of the following conditions will cause carburizing or reducing flame? - Correct Answer excess acetylene If an operator using an OFC process produced an irregular cut surface with pitting and undercutting, the most likely cause is - Correct Answer a dirty cutting tip