Test your basic knowledge |

Subject : engineering
Instructions:
  • Answer 42 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The main purpose for a shielding gas cylinder cap is to protect






2. Which metal cant be safely used in the presences of acetylene






3. Cutting and welding tip are made of...






4. GMAW short circuit transfer can be used for...






5. M






6. L






7. Melting temperature of Aluminum






8. Melting temperature of Brass






9. 1






10. What type of polarity is best for welding out of position






11. Welding current is transmitted to the GMAW wire through the...






12. Duty cycle of a welding machine is based on the...






13. C






14. 1






15. Class A






16. To stop Back firing or popping the gas flow through the tip should be...






17. How are dirt particles removed from cutting and welding tips






18. Melting temperature of Grey Cast Iron






19. Full tank pressure for an acetylene cylinder is...






20. What should we do when the word cover is spoken






21. For short circuit transfer the contact tube should be...






22. What shade of lens should you use for stick welding






23. Melting temperature of Steel






24. Undercut on fillet welds can be a result of...






25. The deepest penetration is a result of which gun technique






26. Class C






27. The Hottest oxy- acetylene flame






28. Class D






29. Acetylene not contained in suitable cylinder is not safe above






30. Shielding gas flow rates will vary but a common starting point for short circuit transfer is...






31. What comes out the center of the hole in a cutting tip






32. An oxygen cylinder valve should be...






33. Class B






34. The main tool used to control the height and width of the weld bead is...






35. Fine tuning amperage will depend upon






36. 60






37. S






38. When not in user the regulater adjusting screw should be...






39. Melting temperature of Solder






40. Can you weld vertical up with 7024






41. A






42. Welding in the flat position on thin material is generally welded with the...