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Electronic Mechanic
Electronic Mechanic Set-1
Soldering, De-soldering and various switches
15

Soldering, De-soldering and various switches MCQ with Answers

15) Which tool works on the principle of air suction?

Soldering iron

Soldering wick

Desoldering braid

Desoldering pump

Answer is:

Desoldering pump

Soldering, De-soldering and various switches MCQ with Answers

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

16) Which soldering instrument has hot air blowing facility?

Soldering iron

Soldering station

Wave soldering machine

Temperature controlled soldering iron

Answer is:

Soldering station

17) What is produced by the power supply connected soldering iron?

Fire

Heat

Cool air

Water vapour

Answer is:

Heat

18) What is the purpose of flux in soldering electronic circuit components?

Form the oxide layer

Reduce the solder cooling time

Increase the melting temperature of solder

Dissolve the oxide layer on the metal surface

Answer is:

Dissolve the oxide layer on the metal surface

19) Which gauge number of rosin-cored solder is suitable for soldering medium sized joints?

16 gauge rosin cored

18 gauge rosin cored

22 gauge rosin cored

24 gauge rosin cored

Answer is:

18 gauge rosin cored

Soldering, De-soldering and various switches MCQ with Answers

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