Exam Overview

• Post Title: Tradesman – Electroplating

• Department: Technical Education

• Paper Code: 93/2015

• Date of Examination: 19th May 2015

• Mode: OMR-based (Objective Type)

• Medium: English

• Total Questions: 100

• Total Marks: 100

• Time Duration: 1 hour 15 minutes

• Negative Marking: Yes (⅓ mark deduction for each incorrect answer)

  Job Profile of Tradesman – Electroplating

A Tradesman in the Electroplating trade performs hands-on duties related to:

• Surface coating of metals using electrochemical processes

• Maintenance of plating tanks and equipment

• Handling chemicals used in electroplating (e.g., nickel, chromium, zinc)

• Assisting instructors in practical demonstrations and student training

• Ensuring workshop safety and quality control in plating processes

 Syllabus Breakdown and Core Topics

The syllabus for this exam is primarily based on ITI-level Electroplating trade curriculum, integrated with basic science, general knowledge, and numerical ability. Below are the major subjects and subtopics:

1. Basics of Electroplating

• Principles of electroplating and electrolysis

• Types of plating (Nickel, Chromium, Zinc, Copper, Tin)

• Anode and cathode concepts

• Faraday’s Laws of Electrolysis

2. Plating Equipment and Tools

• Plating tanks and rectifiers

• Jigging and masking techniques

• Power supply units and voltage control

• Safety tools, PPE, and fume extraction systems

3. Chemistry of Electroplating

• Chemical reactions in plating solutions

• Preparation of electrolytes

• pH, conductivity, and solution maintenance

• Role of additives and brighteners

4. Surface Preparation Techniques

• Cleaning, degreasing, pickling, and rinsing

• Abrasive blasting, buffing, and polishing

• Defect identification and quality checks

5. Workshop Calculation & Science

• Units and conversions

• Calculating current, voltage, and plating time

• Surface area calculations

• Estimation of materials and wastage control

6. Trade Theory and Safety

• Corrosion and protection techniques

• Galvanization vs electroplating

• Disposal of hazardous waste

• Fire safety and chemical handling protocols

7. General Knowledge & Current Affairs

• Developments in science and technology

• Government schemes related to skill development

• Geography and culture of Kerala

• Basic Indian Constitution and PSC functions

   Click the below link to download PDF format of Kerala PSC Previous Question Paper of Tradesman – Electroplating