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National College Credit Recommendation Service
Apex Technical School | Evaluated Learning Experience
Advanced Shielded Metal Arc Welding
Advanced Air Conditioning and Refrigeration Systems
24-02 Queens Plaza South, Long Island City, NY.
150 hours (5 weeks); includes approximately 73 hours of supervised lab experience.
Instructional delivery format:
Traditional classroom model
Upon successful completion of the course, students should be able to: use AC/DC welding machines to weld multi-pass fillet and groove welds in all positions (Flat, Horizontal, Vertical and Overhead) with E-6010 and E-7018 electrodes on tee and butt joints; prepare joints with automatic flame cutting equipment; remove defective welds by gouging (air carbon arc process); identify causes of arc blow associated with DC welding and apply corrective procedures; perform cast iron joint preparation and welding procedures; make fillet welds in all positions on carbon steel pipe; make groove welds in the horizontal, 5G multiple and 6G multiple positions on carbon steel pipe; and perform a 6G multiple, limited thickness qualification test on carbon steel pipe, with or without backing.
Major topics include: power source selection and electrode grouping; vertical and E-7018 electrodes; hydrogen induced cracking; steel classification; overhead welding using E-6010 and E-7018; air carbon arc cutting fundamentals; fundamentals of welding cast iron; open v-groove welding vertical position; visual examination of gas cut and arc cut surfaces and edges; welding multi-pass surface welds in the flat position on carbon steel or stainless steel plate; welding multi-pass surface welds in the multiple fixed position on carbon steel pipe; repairing surface flaws on welds and prepared surfaces and edges using the SMAW process. Instructional methods include: Study guides, required and supplemental readings, quizzes, homework assignments, class participation, and final exam.
In the lower division baccalaureate/associate degree category, 4 semester hours (2 lecture, 2 lab) in Welding Technology, Industrial Technology, Construction Technology, Vocational Technology, as an elective in Educational Technology, or as a technical elective in Mechanical Technology (1/03) (3/08 revalidation) (3/13 revalidation) (3/18 revalidation).