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Electronics Mechanic Practice Test: Protective Devices And ESD
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Avg score: 59% • Most missed: “Which type of leads constructed in SOIC package?”

Electrostatic discharge (ESD) protection devices and countermeasure components allow ESD to enter devices and escape to the ground. They are essential for protecting electronic components and ensuring workplace safety.

Electronics Mechanic Practice Test: Protective Devices And ESD
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25 Questions

1. Which material is used to make the drill bits for drilling PCB holes?
2. What is the purpose of providing solder mask on the PCBs?
3. What is the purpose of apply polymer coating on the PCB?
4. What is the fusing current for a rewireable fuse?
5. What is the cause of ‘Voiding’ in SMT?
6. What is the range of temperature setting on soldering work station for soldering SMD ICs?
7. Which is the common method of attaching surface mount components to a printed circuit board?
8. Which SMD IC needs lead forming equipment to cut and bent into gull wing type?
9. What is the size of pad width for soldering resistors, capacitors and diodes on the PCB?
10. What is the maximum current rating for 4 pole MCB?
11. Which method of conformal coating is used for epoxy coated on PCBs?
12. What is the shape of pad used to solder Dual In Line (DIL) components on PCB?
13. Which material is used to make conductive shoe covers to protect from static charges?
14. What is the full form of SOIC?
15. At which zone the maximum allowable temperature of the reflow soldering process is reached?
16. Which type of leads constructed in SOIC package?
17. What is the current rating of cartridge fuse used for domestic wiring?
18. What is the power rating of soldering iron used in electrical and electronic work?
19. How the fine grain structure of soldered joint is achieved by using reflow soldering process?
20. What is called ‘tinning’ in soldering?
21. If a contactor operates at 5.5 amperes current them what will happen if the current is 7.5 amperes?
22. A contractor may have a number of :
23. What is the current rating of tinned copper wire 40 SWG used for rewireable fuse?
24. What is the full form of the abbreviation ELCB used in Electrical circuit?
25. What is the name of the current interrupted by the circuit breaker?

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