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Electronic Mechanic Practice Test: Soldering / De-soldering and Various Switches
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Electronic Mechanic Practice Test: Soldering / De-soldering and Various Switches
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25 Questions

1. How many types of soldering is used for joining metal surfaces?
2. What is the additional advantage of rosin flux used for soldering electronic components?
3. What is the name of flux used for soldering electronic components?
4. Which soldering instrument has hot air blowing facility?
5. Which ratio of tin-lead combination is used for electronic component soldering work?
6. Which type of soldering is used for electronic circuit?
7. What is produced by the power supply connected soldering iron?
8. Why the solvent Iso Propyl Alcohol (IPA) is used on the solder joint?
9. Which tool works on the principle of air suction?
10. How is the soldering method used for joining large metal called?
11. Which gauge number of rosin-cored solder is suitable for soldering medium sized joints?
12. At which temperature the 60:40 solder start melting?
13. What is the purpose of flux in soldering electronic circuit components?
14. What is the result of forced air is blown to cool the joint while soldering?
15. Which method is used for soldering electronic components?
16. What is the name of defect if the flux is unable to remove the tarnish from the soldered joint?
17. What is the full form of SPDT used in switches?
18. What is the effect of shaking the soldered joint while cooling?
19. What is the full form of DPDT used in switches?
20. What is the defect on the soldered joint, if it is cooled by blowing air?
21. Which bonding material is used for soldering a joint?
22. How the thick layers of oxide is removed before doing the soldering activity?
23. Why the plunger desoldering tool needs periodical cleaning?
24. How much time is required to make a quality soldered joint using soldering iron?
25. What is the range of temperature used in soldering station?

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