Soldering Process multiple choice questions

 Soldering Process

1. 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
Answer: Retain heat
2. Heat for soldering process is supplied by_____
a) Solderingring iron
b) Induction furnace
c) Electric resistance method
d) Any of the above
Answer: Any of the above
3. 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
Answer: Prevent oxides forming
4. A soldering iron 'bit' is made of_______
a) Brass
b) Tin
c) Steel
d) Copper
Answer: Copper
5. The temperature range for soldering process is_______
a) 40oC to 100oC
b) 180oC to 250oC
c) 300oC to 500oC
d) 600oC to 900oC
Answer: 180oC to 250oC

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