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Electronic Mechanic
Electronic Mechanic Set-1
Soldering, De-soldering and various switches
8

Soldering, De-soldering and various switches MCQ with Answers

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

Soldering, De-soldering and various switches MCQ with Answers

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

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

10) What is the additional advantage of rosin flux used for soldering electronic components?

It is non-conductive

It is good conductor

It is a chemical paste

Inorganic acid in nature

Answer is:

It is non-conductive

11) What is the full of the abbreviation DPDT used in switches?

Dual Phase Dual Throw

Double Pole Direct Throw

Direct Pole Double Throw

Double Pole Double Throw

Answer is:

Double Pole Double Throw

12) How is the soldering method used for joining large metal called?

Welding

Brazing

Hot soldering

Soft soldering

Answer is:

Brazing

Soldering, De-soldering and various switches MCQ with Answers

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