Electroless Plating and Related Processes Quiz

What is the primary driving force behind electroless plating?

• Mechanical force

• Magnetic field

• Chemical reaction

• Electric current

Which reducing agent is commonly used in electroless plating baths?

• Calcium carbonate

• Potassium nitrate

• Sodium chloride

• Sodium hypophosphite

What is the purpose of a complexant in electroless plating baths?

• To increase metal solubility

• To reduce pH levels

• To enhance electrical conductivity

• To provide color to the coating

Which of the following is NOT an advantage of electroless plating?

• High throwing power

• Uniform coating thickness

• Can plate non-conductors

• Requires a DC power supply

What is the main characteristic of immersion plating?

• Involves high temperatures only

• Uses noble metal ions

• Requires an external current

• Is a type of electroplating

What is anodizing primarily used for?

• To improve aesthetic appearance

• To enhance corrosion resistance

• To increase electrical conductivity

• To create a conductive layer

Which metal is ideally suited for anodizing?

• Steel

• Copper

• Aluminum

• Zinc

What type of coating is formed during phosphating?

• Crystalline phosphates

• Metallic layer

• Oxide layer

• Organic paint

What is the primary purpose of chromating?

• To create a decorative finish

• To improve thermal resistance

• To passivate metals

• To enhance electrical conductivity

What is the main benefit of electrophoretic painting?

• Uses organic solvents

• High coating thickness

• Uniform coating coverage

• Requires high temperatures