A typical solvent used for cleaning of Electronic assemblies is

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URSC (ISRO) Technician B (Electronic Mechanic): Previous Year Paper (Held on 20 Nov 2016)
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  1. Iso Propyl Alcohol
  2. Petrol
  3. Carbonated Water
  4. Liquid nitrogen

Answer (Detailed Solution Below)

Option 1 : Iso Propyl Alcohol
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PCB electronic assemblies have different contaminants like fluxes, natural and synthetic resins, salts, solder balls, fingerprints, Ions, etc.

For proper functioning various cleaning methods are employed, the typical solvent used is Isopropyl Alcohol which is a polar solvent excellent in removing solder remains and ions, and other polar impurities.

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