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Electronics Mechanic
SOLDERING DE SOLDERING AND VARIOUS SWI
Set 6
Set 6
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Q4493
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What is the defect on the soldered joint, if it is cooled by blowing air?
A
Poor wetting
B
Pits and voids
C
Dry solder joint
D
Dull grainy surface
Q4494
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How the thick layers of oxide is removed before doing the soldering activity?
A
Apply flux
B
Clean normally
C
Use abrasive method
D
Use Isopropyl Alcohol
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Why the plunger desoldering tool needs periodical cleaning?
A
To melt the solder quickly
B
To help the joint to be soldered
C
To prevent clogging of the nozzle
D
To remove the flux collected in chamber
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