Exam Overview

• Post Name: Trade Instructor Grade II – Sheet Metal

• Department: Technical Education (ITI/Polytechnic Institutions)

• Paper Code: 95/2015

• Date of Examination: 21.05.2015

• Exam Type: Objective (OMR-based)

• Medium: English

• Total Questions: 100

• Total Marks: 100

• Time Duration: 1 hour 15 minutes

• Negative Marking: Yes (⅓ mark deduction for every wrong answer)

Role of Trade Instructor – Sheet Metal

A Trade Instructor in the Sheet Metal trade is responsible for:

• Training students in practical and theoretical aspects of sheet metal fabrication

• Demonstrating cutting, bending, forming, and joining techniques

• Ensuring safety standards in workshops

• Maintaining tools, machinery, and project documentation

• Contributing to skill development initiatives in technical education

Syllabus Breakdown & Major Topics

The syllabus for this exam is largely based on ITI-level Sheet Metal curriculum with a blend of general knowledge and numerical ability. Here's a detailed subject-wise breakdown:

1. Sheet Metal Tools & Equipment

• Hand tools: snips, hammers, stakes, scribers

• Measuring and marking instruments

• Sheet metal gauges and materials

• Machines: rollers, folders, shears, notching tools

2. Sheet Metal Operations

• Cutting, bending, folding, notching, hemming

• Soldering, brazing, riveting, seam making

• Fabrication of boxes, ducts, cones, cylinders, transitions

3. Engineering Drawing & Pattern Development

• Orthographic projections, isometric views

• Surface development of simple and complex shapes

• True length, intersection, and transition pieces

• Use of templates in fabrication

4. Workshop Calculation & Science

• Units and conversions

• Basic geometry (area, volume, perimeter)

• Trigonometry in layout

• Material estimation and wastage calculation

5. Trade Theory

• Properties of sheet metals (GI, aluminum, copper, stainless steel)

• Heat treatment, corrosion resistance, metal joining techniques

• Safety practices and fire prevention in workshops

6. General Knowledge and Current Affairs

• Kerala and Indian socio-political events (as of 2015)

• Technological developments and government schemes

• Institutions related to technical education

7. Simple Arithmetic and Mental Ability

• Percentages, ratios, averages

• Logical reasoning and simple puzzles

• Speed, time, and distance-based problems

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