not needed regulator elding? 4. not needed for Mroning dings of equipment is A oxygen regulator B. shielding gas supply C. electrode feed unit D. welding gun 5. What must be done ceted to helding gas cylin. regulator? it is connected to the flowmeter A cleaned B. chained securely in place C. painted the correct color D. turned so the valve will be pointing in a direction that makes the 6. What angle should the flowmeter regulator be set at? A. 45^circ B. 221/2^circ C. 75^circ D. 90^circ 7. When the electrode wire gets knotted up at the feed rollers it is called A. birds nesting B. tangling D . winding D. de-spooling 8. What may happen if the wire end is cut loose from the spool without holding it? A. unwind B. get dirty C. become bent D. re-coil 9. The spool drag should be set so the spool does not roll freely when the feed rollers stop. A. true B. false 10. Short cut pieces of welding wire should not be discarded on the floor because A. they can be reused B. it wastes wire that can be used for gas welding C. they make the shop look dirty machine,shorting out the electrical power 11. Use Table 12-1 to determine what the amper- fed at a rate of 400in/min(10.2m/min) age would be if .035 in. (0.9 mm)wire is being A. 210 amps B. 400 amps C. 130 amps D. 430 amps 12. As the electrode extension increases, the weld's penetration and buildup A increases/increases B. decreases/decreases C. increases/decreases D. decreases/increases 13. When welding with a backhand or dragging the buildup angle, the weld's penetration and A. increases/increases B decreases/decreases C. increases/decreases D. decreases/increases 14. When the welding gun is pointed in the direc- tion of the weld it is referred to as being at a __ A. dragging angle B. backhand angle C. forehand angle D. right angle 15. According to Table 12-6 helium is an inert gas. A. true B. false 16. How far back from the joint should the surface of the metal next to a groove joint be? A. 1 in. (25 mm) B. 2 in. (50 mm) C. 1/2in (13 mm) D. 11/2 in. (38 mm) 17. Which metal transfer method would be best for welding on 16 gauge sheet metal? A. short circuiting metal transfer B. globular metal transfer C. axial spray transfer D. pulsed globular transfer

Question

Problemas

not needed regulator elding? 4. not needed for Mroning dings of equipment is A oxygen regulator B. shielding gas supply C. electrode feed unit D. welding gun 5. What must be done ceted to helding gas cylin. regulator? it is connected to the flowmeter A cleaned B. chained securely in place C. painted the correct color D. turned so the valve will be pointing in a direction that makes the 6. What angle should the flowmeter regulator be set at? A. 45^circ B. 221/2^circ C. 75^circ D. 90^circ 7. When the electrode wire gets knotted up at the feed rollers it is called A. birds nesting B. tangling D . winding D. de-spooling 8. What may happen if the wire end is cut loose from the spool without holding it? A. unwind B. get dirty C. become bent D. re-coil 9. The spool drag should be set so the spool does not roll freely when the feed rollers stop. A. true B. false 10. Short cut pieces of welding wire should not be discarded on the floor because A. they can be reused B. it wastes wire that can be used for gas welding C. they make the shop look dirty machine,shorting out the electrical power 11. Use Table 12-1 to determine what the amper- fed at a rate of 400in/min(10.2m/min) age would be if .035 in. (0.9 mm)wire is being A. 210 amps B. 400 amps C. 130 amps D. 430 amps 12. As the electrode extension increases, the weld's penetration and buildup A increases/increases B. decreases/decreases C. increases/decreases D. decreases/increases 13. When welding with a backhand or dragging the buildup angle, the weld's penetration and A. increases/increases B decreases/decreases C. increases/decreases D. decreases/increases 14. When the welding gun is pointed in the direc- tion of the weld it is referred to as being at a __ A. dragging angle B. backhand angle C. forehand angle D. right angle 15. According to Table 12-6 helium is an inert gas. A. true B. false 16. How far back from the joint should the surface of the metal next to a groove joint be? A. 1 in. (25 mm) B. 2 in. (50 mm) C. 1/2in (13 mm) D. 11/2 in. (38 mm) 17. Which metal transfer method would be best for welding on 16 gauge sheet metal? A. short circuiting metal transfer B. globular metal transfer C. axial spray transfer D. pulsed globular transfer

Answer 1

1. The correct answer is D. welding gun. 2. The correct answer is B. chained securely in place. 3. The correct answer is B. $22\frac{1}{2}^{\circ}$. 4. The correct answer is B. tangling. 5. The correct answer is A. unwind. 6. The correct answer is A. true. 7. The correct answer is D. it wastes wire that can be used for gas welding. 8. The correct answer is C. 130 amps. 9. The correct answer is A. increases/increases. 10. The correct answer is C. increases/decreases. 11. The correct answer is C. forehand angle. 12. The correct answer is A. true. 13. The correct answer is B. 2 in. (50 mm). 14. The correct answer is A. short circuiting metal transfer. 15. The correct answer is C. axial spray transfer. 16. The correct answer is B. 2 in. (50 mm). 17. The correct answer is A. short circuiting metal transfer.

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