Summary

• Description:

  The PDF document comprises KALA Joint Trials 2024 MetalWork Paper 1 Exam with Answers and Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Metalwork Paper 1 (445/1) Joint Trial examination administered in 2024.

  • Duration: 2 Hours 30 Minutes
  • Total Marks: 100
  • Number of Questions: 15
  • Paper Structure: Two Sections – Section A and Section B.

  The paper was structured as follows:

  • Section A (40 marks): Ten compulsory short-answer questions covering fundamental metalwork concepts.
  • Section B (60 marks): Five structured questions where candidates answered Question 11 and any other three questions.

  The examination tested learners’ understanding of metalwork processes, workshop safety, tools and equipment, metal properties, fabrication techniques, and technical drawing.

  It covered the following topics:

  • Marking out tools and errors in scribing and dot punching
  • Methods of removing broken taps from holes
  • Uses of templates in metal fabrication
  • Locating the centre of round bars using odd-leg calipers
  • Surface finishing including reasons for painting and paint application methods
  • Use of hollow metals in furniture construction
  • Workshop safety precautions when using grinding machines
  • Selection specifications for rivets
  • Factors to consider when selecting spelter for brazing
  • Functions of electrode flux in arc welding
  • General uses of metals in industry and manufacturing
  • Sources of career information within a school environment
  • Considerations when establishing a metalwork workshop or company
  • Heat treatment processes including annealing and its purposes
  • Sheet metal edges such as double hem edge and false wire edge
  • Effects of alloying elements such as manganese, chromium, and nickel in steel
  • Types and uses of micrometer screw gauges
  • Advantages of grooved seam joints in sheet metal work
  • Reconditioning a burnt soldering iron during soft soldering
  • Engineering drawing including oblique views and sectional elevations
  • Procedures for lighting a blowpipe in welding
  • Functions of flux in brazing
  • Gas welding techniques including rightward and leftward welding
  • Types of gas welding flames and identification of welding gases
  • Workshop first aid procedures for deep cuts
  • Types of fires and appropriate fire extinguishers
  • Workshop fire safety and prevention measures
  • Engineering fits including clearance fit, transition fit, and interference fit
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  METALWORK

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