Summary

• Description:

  The MS Word document comprises Grade 10 Power Mechanics Term 3 2026 Opener Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is towards the end of the file.

  This assessment evaluates learners' theoretical and practical knowledge in automotive systems, workshop safety, technical drawing, engine mechanics, and precision measurement tools. It provides a solid foundation for evaluating core competencies in power mechanics for Grade 10 learners.

  • Duration: 2 Hours 30 Minutes
  • Total Marks: 80 Marks
  • Number of Questions: 10 (Questions 1–10)
  • Structure: Section A (30 marks) and Section B (50 marks)

  It covers the following topics:

  • Section A:
    • Careers in Power Mechanics and definition of the learning area
    • Workshop layout, safety signage, and Personal Protective Equipment (PPE)
    • Evolution of motor vehicles and internal vs. external combustion engines
    • Tire specifications, radial construction, and functions of road wheels
    • Vehicle chassis types (ladder frame vs. monocoque) and body functions
    • Fasteners, locking devices, and panel joining tools
  • Section B:
    • Technical drawing: Cycloid curves, locus, tangents, diagonal scales, and arc blending
    • Engine terminology: Top Dead Center (TDC), Bottom Dead Center (BDC), swept volume, bore, and displacement calculations
    • Engine components identification and functions (camshaft, piston, connecting rod, cylinder head, sump)
    • Precision measuring tools: Micrometer, feeler gauge, and cylinder bore gauge applications
• Category:

  Exams
• Level:

  Grade 10
• Subject:

  POWER MECHANICS
• Posted By:

  Caleb_Peter

Enter your details below to initiate a payment using MPESA.