Multiple Choice Questions On Soldering Process


1. The temperature range for soldering process is.......


   A.40oC to 100oC

   B.180oC to 250oC

   C.300oC to 500oC

   D.600oC to 900oC

   E.1000oC to 2000oC


✔ View Answer


B.180oC to 250oC

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2. A soldering iron 'bit' is made of.......


   A.Brass

   B.Tin

   C.Steel

   D.Copper


✔ View Answer


D.Copper

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3. Heat for soldering process is supplied by.........


   A.Soldering iron

   B.Induction furnace

   C.Electric resistance method

   D.Any of the above


✔ View Answer


D.Any of the above

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4. Soldering iron is made of wedge shape in order to......


   A.Apply high pressure at edge

   B.Retain heat

   C.Retain solder

   D.Forge welding

   E.Arc welding


✔ View Answer


B.Retain heat

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5. The purpose of using flux in soldering is to.......


   A.Increase fluidity of solder metal

   B.Feel up gaps left in a bad joint

   C.Carbon steel

   D.Prevent oxides forming

   E.Wash away surplus solder


✔ View Answer


C.Prevent oxides forming

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