[PDF]Syllabus Junior Instructor Electroplater|669/2023 Syllabus

Syllabus Junior Instructor Electroplater

Contents

DETAILED SYLLABUS FOR THE POST OF JUNIOR INSTRUCTOR ELECTROPLATER IN TECHNICAL EDUCATION DEPARTMENT – CAT NO:669/2023

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669/2023 Syllabus Main Topics

Fundamentals of Electricity (10 marks)
Fundamentals of Chemistry (10 marks)
Electrolysis (10 marks)
Protection against corrosion (10 marks)
Equipment’s for electroplating (10 marks)
Preparation of surfaces prior to electroplating (10 marks)
Electroplating (10 marks)
Maintenance of electroplating (10 marks)
Anodizing (10 marks)
Testing of electrodeposits (10 marks)

Junior Instructor Electroplater Detailed Syllabus

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Module 1. Fundamentals of Electricity (10 marks)

Types of electric supply, Electrical terms and definitions, Effects of electric current,
DC and AC, Sources of direct current, Conductor, Semi conductor, Insulator,
Resistance and conductance, Series and parallel circuit, Ohm’s law.

Module 2. Fundamentals of Chemistry (10 marks)

Matter, Structure of atom, Proton, Neutron, Electron, molecules, ion, valency,
elements, properties of elements, Atomic number, weight, melting point etc. metals
and alloys, soft water and hard water, Acids and alkalis, pH value, methods of
measuring pH value, Solutions.

Module 3. Electrolysis (10 marks)

Electrolyte, Anode and cathode, Electrochemical Equivalent, Electrolysis,
Applications of electrolysis, Faradays laws of electrolysis and its applications, Cells
and batteries, Grouping of cells.

Module 4. Protection against corrosion (10 marks)

Corrosion, Types of corrosion, Methods of protection against corrosion, Metallic
coating, Methods of metallic coating, Applications of electroplating, Process of
electroplating, Safety measures for chemical poisoning, Treatment of effluents.

Module 5. Equipment’s for electroplating (10 marks)

Electroplating Tanks, Heaters, Filters, Chroffles, Dryers, Jigs, Cleaning and Plating
barrels, Safety equipments, Rectifiers, Bus bars, Degreaser, Buffing machines, PH
meter, Water demineralizer etc.

Module 6. Preparation of surfaces prior to electroplating (10 marks)

Types of mechanical cleaning, Buffing and polishing equipment’s and materials, Blast
cleaning, Types of chemical cleaning, Pickling, solvent cleaning, dipping, rinsing,
vapour degreasing, electrolytic cleaning, barrel cleaning, ultrasonic cleaning,
masking, drying etc.

Module 7. Electroplating (10 marks)

Types of electroplating, Electroplating process of Copper, Nickel, Chromium, hard
chromium, Zinc, Tin, Cadmium, Silver, Gold and Brass. Methods of removal of metal
coating from its basis metals.

Module 8. Maintenance of electroplating (10 marks)

Common defects generally found in various electroplated metals and their
possible causes and methods of corrections. Maintenance of electroplating solutions.

Module 9. Anodizing (10 marks)

Properties of Aluminium, Aluminium anodizing process, Surface preparation of
aluminium, Types of anodizing process, Colouring of anodized surface, Removal of
defective anodized film.