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Electronic Mechanic
Electronic Mechanic Set-1
Soldering, De-soldering and various switches
5

Soldering, De-soldering and various switches MCQ with Answers

5) What is the name of flux used for soldering electronic components?

Resin

Rosin

Mild acid

Organic acid

Answer is:

Rosin

Soldering, De-soldering and various switches MCQ with Answers

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Related Soldering, De-soldering and various switches MCQ with Answers

6) How many types of soldering is used for joining metal surfaces?

Two

Five

Four

Three

Answer is:

Two

7) What is the full form of the abbreviation SPDT used in switches?

Single Phase Dual Throw

Single Pole Single Throw

Single Pole Double Throw

Shared Pole Double Throw

Answer is:

Single Pole Double Throw

8) Which ratio of tin-lead combination is used for electronic component soldering work?

40:60

20:40

60:40

63:37

Answer is:

60:40

9) When does the rosin flux melts in a soldering process?

After the solder melts

When the solder is melting

During the solder is melting

When the solder is heated

Answer is:

When the solder is heated

Soldering, De-soldering and various switches MCQ with Answers

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